| Breath/mind (slow breathing) | Do this | ●●●Strong | Systematic review | Slow paced breathing (~6/min) reduces anxiety and shifts autonomic balance toward parasympathetic tone. | Zaccaro et al. 2018; slow-breathing reviews (opens in a new tab) |
|---|
| Breath/mind (slow breathing) | Do this | ●●●Strong | RCT / meta-analysis | Slow paced breathing (~6/min) reduces anxiety and shifts autonomic balance toward parasympathetic tone. | "Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and meta-analysis", Neurosci Biobehav Rev 2022 (opens in a new tab) |
|---|
| Caffeine — mind amount & timing | Do this | ●●●Strong | RCT / meta-analysis | Higher caffeine intake raises anxiety risk dose-dependently (SMD 0.94; steep >~400 mg/day). | Caffeine-anxiety meta-analysis (Front. Psychol. 2024) (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and eases anxiety/psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
|---|
| Selenium | Don't overdo | ●●●Strong | Established clinical | Selenosis is a recognized toxidrome; NIH ODS and multiple human reports document anxiety, irritability, nervousness and insomnia from selenium overexposure (incl. a 201-person supplement outbreak). | Vinceti et al. 2013; NIH ODS; trace-minerals review (opens in a new tab) |
|---|
| Selenium | Don't overdo | ●●●Strong | Established clinical | Selenosis is a recognized toxidrome; NIH ODS and multiple human reports document anxiety, irritability, nervousness and insomnia from selenium overexposure (incl. a 201-person supplement outbreak). | NIH Office of Dietary Supplements — Selenium (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●●Strong | RCT / meta-analysis | Quitting smoking reduces anxiety (SMD -0.37; effect comparable to antidepressants); guideline bodies establish smoking as harmful to mental health and debunk the "calming" belief. | Taylor et al. 2014, BMJ (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●●Strong | RCT / meta-analysis | Quitting smoking reduces anxiety (SMD -0.37; effect comparable to antidepressants); guideline bodies establish smoking as harmful to mental health and debunk the "calming" belief. | Change in mental health after smoking cessation: systematic review and meta-analysis, BMJ 2014 (opens in a new tab) |
|---|
| Added Sugars | Don't overdo | ●●Moderate | RCT / meta-analysis | High added-sugar/ultra-processed intake is associated with greater anxiety symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Alcohol — cut back | Do this | ●●Moderate | RCT / meta-analysis | Alcohol disrupts HPA-axis recovery and the stress/anxiety response; self-medication worsens regulation. | Weckesser et al. 2025, Transl Psychiatry (opens in a new tab) |
|---|
| Breathing rate | Watch this | ●●Moderate | Systematic review | Slow paced breathing (~6/min) reduces anxiety and shifts autonomic balance toward parasympathetic tone. | Zaccaro et al. 2018; slow-breathing reviews (opens in a new tab) |
|---|
| Breathing rate | Watch this | ●●Moderate | RCT / meta-analysis | Slow paced breathing (~6/min) reduces anxiety and shifts autonomic balance toward parasympathetic tone. | "Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and meta-analysis", Neurosci Biobehav Rev 2022 (opens in a new tab) |
|---|
| Calm rest space | Do this | ●●Moderate | RCT / meta-analysis | Greenspace/restorative-environment exposure lowers salivary cortisol and eases anxiety. | Twohig-Bennett & Jones 2018 (opens in a new tab) |
|---|
| Daily movement baseline | Do this | ●●Moderate | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and eases anxiety/psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
|---|
| EPA/DHA (omega-3) | Eat enough of | ●●Moderate | RCT / meta-analysis | Marine omega-3 (EPA/DHA ~2 g/d) moderately reduces anxiety symptoms (low GRADE certainty). | Bafkar et al. 2024 (opens in a new tab) |
|---|
| Falling & staying asleep | Watch this | ●●Moderate | RCT / meta-analysis | Poor/short sleep and anxiety are bidirectionally linked; better sleep lowers physiological arousal. | De Nys et al. 2022 (opens in a new tab) |
|---|
| Flexibility (stretching) | Do this | ●●Moderate | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and eases anxiety/psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
|---|
| Inner circle (close ties) | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with anxiety (r~0.40); stronger ties buffer it. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Loneliness — reduce | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with anxiety (r~0.40); stronger ties buffer it. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Magnesium | Eat enough of | ●●Moderate | Systematic review | Magnesium attenuates HPA-axis activity and benefits subjective anxiety. | Boyle, Lawton & Dye 2017, Nutrients (opens in a new tab) |
|---|
| Screens before bed — cut back | Do this | ●●Moderate | RCT / meta-analysis | Problematic smartphone use is associated with higher anxiety (OR 3.05) and perceived stress. | Sohn et al. 2019, BMC Psychiatry (opens in a new tab) |
|---|
| Sleep duration | Watch this | ●●Moderate | RCT / meta-analysis | Sleep deprivation significantly raises state anxiety (meta-analysis) via heightened amygdala reactivity; short sleep predicts anxiety. | Sleep deprivation & state anxiety meta (opens in a new tab) |
|---|
| Sleep hygiene - Wind-down | Do this | ●●Moderate | RCT / meta-analysis | Poor/short sleep and anxiety are bidirectionally linked; better sleep lowers physiological arousal. | De Nys et al. 2022 (opens in a new tab) |
|---|
| Sleep quality (refreshed) | Watch this | ●●Moderate | RCT / meta-analysis | Poor/short sleep and anxiety are bidirectionally linked; better sleep lowers physiological arousal. | De Nys et al. 2022 (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●Moderate | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and eases anxiety/psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater anxiety (OR 1.48) and mental-disorder symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Toxic relationships — reduce | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with anxiety (r~0.40); stronger ties buffer it. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Ultra-processed food — cut back | Do this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater anxiety (OR 1.48) and mental-disorder symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Warmth & quality of ties | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with anxiety (r~0.40); stronger ties buffer it. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Anchor foods | Watch this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater anxiety (OR 1.48) and mental-disorder symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Belonging (groups / third place) | Watch this | ●Emerging | RCT / meta-analysis | Loneliness is moderately associated with anxiety (r~0.40); stronger ties buffer it. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Colours a day | Watch this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater anxiety (OR 1.48) and mental-disorder symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Cook real food | Do this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater anxiety (OR 1.48) and mental-disorder symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Folate (B9) | Eat enough of | ●Emerging | RCT / meta-analysis | B-vitamin supplementation aids stress/anxiety regulation; supports neurotransmitter synthesis. | Young et al. 2019, Nutrients (opens in a new tab) |
|---|
| Iron | Eat enough of | ●Emerging | RCT / trial | Genetically lower iron status raises anxiety-disorder risk; iron-deficiency anemia relates to more anxiety. | Iron-status MR 2024; Trace-minerals & anxiety review 2023 (opens in a new tab) |
|---|
| Iron | Eat enough of | ●Emerging | Cohort / observational | Genetically lower iron status raises anxiety-disorder risk; iron-deficiency anemia relates to more anxiety. | "The causal effect of iron status on risk of anxiety disorders: a two-sample Mendelian randomization study", PLoS One 2024 (opens in a new tab) |
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| Morning daylight | Do this | ●Emerging | Systematic review | Morning bright light supports circadian/cortisol regulation; bright-light therapy has RCT mood benefit. | Light & HPA-axis rhythms review 2023 (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and eases anxiety/psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
|---|
| Pantothenic acid (B5) | Eat enough of | ●Emerging | RCT / meta-analysis | B-group vitamins aid anxiety regulation; B5 is a precursor of coenzyme A in adrenal steroid synthesis. | Young et al. 2019; adrenal CoA synthesis (opens in a new tab) |
|---|
| Selenium | Eat enough of | ●Emerging | Review / narrative | Low selenium status is inversely associated with anxiety (U-shaped risk); supplementation shows promise. | Trace-minerals & anxiety review 2023 (opens in a new tab) |
|---|
| Sleep hygiene - Bedroom | Do this | ●Emerging | RCT / meta-analysis | Poor/short sleep and anxiety are bidirectionally linked; better sleep lowers physiological arousal. | De Nys et al. 2022 (opens in a new tab) |
|---|
| Sleep hygiene - Clock & light | Do this | ●Emerging | RCT / meta-analysis | Poor/short sleep and anxiety are bidirectionally linked; better sleep lowers physiological arousal. | De Nys et al. 2022 (opens in a new tab) |
|---|
| Sleep hygiene - Intake & timing | Do this | ●Emerging | RCT / meta-analysis | Poor/short sleep and anxiety are bidirectionally linked; better sleep lowers physiological arousal. | De Nys et al. 2022 (opens in a new tab) |
|---|
| Sodium | Don't overdo | ●Emerging | Cohort / observational | High salt intake activates the HPA axis and raises cortisol, amplifying the anxiety/stress response. | High-salt & HPA-axis 2023, Cardiovasc Res (opens in a new tab) |
|---|
| Staying in touch (social reps) | Do this | ●Emerging | RCT / meta-analysis | Loneliness is moderately associated with anxiety (r~0.40); stronger ties buffer it. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Vitamin B12 | Eat enough of | ●Emerging | Review / narrative | B12 deficiency is linked to neuropsychiatric symptoms incl. anxiety; repletion helps. | Neuropsychiatric B12-deficiency case report; Young 2019 (opens in a new tab) |
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| Vitamin B12 | Don't overdo | ●Emerging | Established clinical | High-dose B12 produced anxiety, akathisia and insomnia, resolving after stopping; confounded by underlying deficiency. | Cleveland Clinic — High B12 Levels (symptoms include anxiety) (opens in a new tab) |
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| Vitamin B6 | Eat enough of | ●Emerging | RCT / meta-analysis | B-vitamin supplementation aids stress/anxiety regulation; supports neurotransmitter synthesis. | Young et al. 2019, Nutrients (opens in a new tab) |
|---|
| Vitamin C | Eat enough of | ●Emerging | Review / narrative | Vitamin C reduced anxiety in an RCT; high-dose vitamin C lowered cortisol and subjective stress. | de Oliveira et al. 2015; Brody et al. 2002 (opens in a new tab) |
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| Vitamin C | Eat enough of | ●Emerging | RCT / trial | Vitamin C reduced anxiety in an RCT; high-dose vitamin C lowered cortisol and subjective stress. | Brody et al., "A randomized controlled trial of high dose ascorbic acid for reduction of blood pressure, cortisol, and subjective responses to psychological stress", Psychopharmacology 2002 (opens in a new tab) |
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| Vitamin D | Eat enough of | ●Emerging | RCT / meta-analysis | Vitamin D reduces negative emotions incl. anxiety; benefit greatest in deficiency. | Cheng, Huang & Huang 2020 (opens in a new tab) |
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| Water / hydration | Do this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater anxiety (OR 1.48) and mental-disorder symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Zinc | Eat enough of | ●Emerging | RCT / trial | Zinc deficiency is associated with anxiety; zinc repletion may ease symptoms. | Trace-minerals & anxiety review 2023; zinc RCT (elderly) (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / trial | Regular exercise improves attention, processing speed, executive function and memory across domains. | Aerobic exercise & neurocognition; FITT-VP exercise-cognition meta (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | Systematic review | Regular exercise improves attention, processing speed, executive function and memory across domains. | "Effectiveness of exercise for improving cognition, memory and executive function: a systematic umbrella review", Br J Sports Med 2025 (opens in a new tab) |
|---|
| Niacin (B3) | Eat enough of | ●●●Strong | Established clinical | Pellagra's neuropsychiatric 'D' includes dementia, cognitive impairment, delirium and encephalopathy (reversible if treated early). | Pellagra case literature (Cureus/PMC) (opens in a new tab) |
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| Sleep duration | Watch this | ●●●Strong | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Thiamin (B1) | Eat enough of | ●●●Strong | Established clinical | Wernicke-Korsakoff syndrome causes confusion, ataxia, ophthalmoplegia and irreversible amnesia (memory loss) if untreated. | NIH ODS / StatPearls – Thiamin (opens in a new tab) |
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| Vitamin B12 | Eat enough of | ●●●Strong | Established clinical | Deficiency causes cognitive decline, memory loss and dementia, plus psychiatric changes; raised homocysteine is a dementia risk factor. | NIH ODS / SCD literature – Vitamin B12 (opens in a new tab) |
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| Vitamin B12 | Eat enough of | ●●●Strong | RCT / meta-analysis | Deficiency causes cognitive decline, memory loss and dementia, plus psychiatric changes; raised homocysteine is a dementia risk factor. | Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue, Nutrients 2021 (opens in a new tab) |
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| Water | Eat enough of | ●●●Strong | RCT / trial | Mild dehydration (~2%) impairs attention, immediate/working memory and reaction time. | Ganio et al. 2011, Br J Nutr (opens in a new tab) |
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| Water / hydration | Do this | ●●●Strong | RCT / trial | Mild dehydration (~2%) impairs attention, immediate/working memory and reaction time. | Ganio et al. 2011, Br J Nutr (opens in a new tab) |
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| Alcohol — cut back | Do this | ●●Moderate | Review / narrative | Heavy alcohol use (>3-4 drinks/day) increases risk of cognitive impairment and dementia. | Linus Pauling Institute, Oregon State (opens in a new tab) |
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| Anchor foods | Watch this | ●●Moderate | RCT / trial | Skipped meals, crash/low-carb dieting and calorie restriction cause transient brain fog via glucose, electrolyte and hydration shifts. | Dieting & brain-fog literature (keto-flu/fasting) (opens in a new tab) |
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| Blood oxygen (SpO2) | Watch this | ●●Moderate | Cohort / observational | Sustained nocturnal hypoxemia (SpO2<90%) is associated with poorer global cognition, memory and executive function; higher SpO2 predicts better memory. | Baril et al. (nocturnal hypoxia & cognition) (opens in a new tab) |
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| Breath/mind (slow breathing) | Do this | ●●Moderate | RCT / meta-analysis | Mind-body movement and breath practice benefit memory and buffer stress-related cognitive impairment. | Exercise-cognition FITT-VP meta 2023 (opens in a new tab) |
|---|
| Breathing rate | Watch this | ●●Moderate | RCT / trial | Hyperventilation-induced hypocapnia constricts cerebral vessels and reduces cerebral blood flow, causing cognitive impairment independent of oxygen (reversible with CO2). | Caldwell et al. 2019 (opens in a new tab) |
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| Caffeine — mind amount & timing | Do this | ●●Moderate | Systematic review | Caffeine supports alertness, but poor timing/overuse disrupts sleep and withdrawal causes brain fog. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Carbohydrate | Eat enough of | ●●Moderate | Established clinical | Abrupt carb restriction/dieting (keto adaptation, fasting) transiently lowers brain glucose supply, causing brain fog, poor concentration and mental fatigue. | Low-carbohydrate diet literature (opens in a new tab) |
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| Choline | Eat enough of | ●●Moderate | Mechanistic | Choline is the acetylcholine precursor; higher intake/supplementation is linked to better memory, learning and processing speed. | NIH ODS – Choline (opens in a new tab) |
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| Daily movement baseline | Do this | ●●Moderate | RCT / trial | Regular exercise improves attention, processing speed, executive function and memory across domains. | Aerobic exercise & neurocognition; FITT-VP exercise-cognition meta (opens in a new tab) |
|---|
| Daily movement baseline | Do this | ●●Moderate | Systematic review | Regular exercise improves attention, processing speed, executive function and memory across domains. | "Effectiveness of exercise for improving cognition, memory and executive function: a systematic umbrella review", Br J Sports Med 2025 (opens in a new tab) |
|---|
| Daytime alertness | Watch this | ●●Moderate | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| EPA/DHA (omega-3) | Eat enough of | ●●Moderate | Review / narrative | DHA is a structural brain fatty acid; omega-3 (EPA/DHA) supports cognition and improves some measures in mild cognitive impairment. | Micronutrient-cognition review; Linus Pauling Institute (opens in a new tab) |
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| EPA/DHA (omega-3) | Eat enough of | ●●Moderate | Review / narrative | DHA is a structural brain fatty acid; omega-3 (EPA/DHA) supports cognition and improves some measures in mild cognitive impairment. | Linus Pauling Institute — Essential Fatty Acids (opens in a new tab) |
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| Falling & staying asleep | Watch this | ●●Moderate | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Fluoride | Don't overdo | ●●Moderate | Cohort / observational | Higher fluoride exposure (above recommended levels, e.g. high-fluoride water) is associated with lower IQ in children - evidence is observational and debated. | Fluoride-IQ literature (cross-sectional; NTP) (opens in a new tab) |
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| Folate (B9) | Don't overdo | ●●Moderate | Cohort / observational | People with low B12 plus high folate have lower cognitive test scores and higher homocysteine/MMA; excess folic acid may exacerbate B12-related cognitive decline. | Folic-acid–B12 masking review (opens in a new tab) |
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| Folate (B9) | Eat enough of | ●●Moderate | Cohort / observational | Low folate (especially with low B12) is associated with cognitive decline and higher Alzheimer risk. | Linus Pauling Institute; Huskisson et al. 2007 (opens in a new tab) |
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| Folate (B9) | Eat enough of | ●●Moderate | Review / narrative | Low folate (especially with low B12) is associated with cognitive decline and higher Alzheimer risk. | Linus Pauling Institute — Folate (opens in a new tab) |
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| Iodine | Eat enough of | ●●Moderate | Established clinical | Deficiency lowers IQ and causes cognitive impairment in children and cognitive slowing in adults. | NIH ODS / Harvard – Iodine (opens in a new tab) |
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| Iodine | Eat enough of | ●●Moderate | Established clinical | Deficiency lowers IQ and causes cognitive impairment in children and cognitive slowing in adults. | NIH Office of Dietary Supplements — Iodine (opens in a new tab) |
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| Iron | Eat enough of | ●●Moderate | Established clinical | Deficiency causes difficulty concentrating and poor memory; in infants/children it can cause lasting cognitive and developmental impairment. | NIH ODS / NHLBI – Iron (opens in a new tab) |
|---|
| Iron | Eat enough of | ●●Moderate | Established clinical | Deficiency causes difficulty concentrating and poor memory; in infants/children it can cause lasting cognitive and developmental impairment. | NIH Office of Dietary Supplements — Iron (opens in a new tab) |
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| Loneliness — reduce | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness/social isolation is associated with poorer cognition across domains and higher dementia risk. | Sutin et al. 2024 (opens in a new tab) |
|---|
| Magnesium | Eat enough of | ●●Moderate | Review / narrative | Magnesium regulates neurotransmission and synaptic plasticity; low magnesium is linked to reduced cognitive function. | Huskisson et al. 2007; micronutrient-cognition review (opens in a new tab) |
|---|
| Magnesium | Eat enough of | ●●Moderate | Review / narrative | Magnesium regulates neurotransmission and synaptic plasticity; low magnesium is linked to reduced cognitive function. | Linus Pauling Institute — Magnesium (opens in a new tab) |
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| Magnesium | Eat enough of | ●●Moderate | Review / narrative | Magnesium regulates neurotransmission and synaptic plasticity; low magnesium is linked to reduced cognitive function. | Huskisson et al., "The role of vitamins and minerals in energy metabolism and well-being", J Int Med Res 2007 (opens in a new tab) |
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| Manganese | Don't overdo | ●●Moderate | Cohort / observational | High manganese (e.g. in drinking water) is associated with cognitive dysfunction and neuromotor deficits, especially in children. | Manganese-in-water literature (opens in a new tab) |
|---|
| Morning daylight | Do this | ●●Moderate | Systematic review | Morning daylight anchors circadian rhythm, supporting daytime alertness and cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Screens before bed — cut back | Do this | ●●Moderate | Systematic review | Screens (esp. before bed) disrupt sleep and fragment attention, worsening brain fog. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Sleep hygiene - Wind-down | Do this | ●●Moderate | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Sleep quality (refreshed) | Watch this | ●●Moderate | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Sleep regularity | Watch this | ●●Moderate | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Sodium | Eat enough of | ●●Moderate | Established clinical | During fasting, calorie restriction or low-carb/keto diets, sodium/electrolyte loss contributes to poor mental clarity and fatigue; hyponatremia causes confusion. | LPI – Sodium (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●Moderate | RCT / trial | Regular exercise improves attention, processing speed, executive function and memory across domains. | Aerobic exercise & neurocognition; FITT-VP exercise-cognition meta (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●Moderate | Systematic review | Regular exercise improves attention, processing speed, executive function and memory across domains. | "Effectiveness of exercise for improving cognition, memory and executive function: a systematic umbrella review", Br J Sports Med 2025 (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●Moderate | RCT / meta-analysis | Current smoking accelerates cognitive decline and raises dementia risk (faster MMSE decline; AD RR ~1.8). | Anstey et al. 2007; CHARLS 2025 (opens in a new tab) |
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| Tobacco / vaping — quit | Do this | ●●Moderate | RCT / meta-analysis | Current smoking accelerates cognitive decline and raises dementia risk (faster MMSE decline; AD RR ~1.8). | Anstey et al., "Smoking as a risk factor for dementia and cognitive decline: a meta-analysis of prospective studies", Am J Epidemiol 2007 (opens in a new tab) |
|---|
| Ultra-processed food — cut back | Do this | ●●Moderate | Cohort / observational | Higher ultra-processed food intake is associated with faster cognitive/executive-function decline; whole-food patterns support cognition. | Gomes Goncalves et al. 2023 (opens in a new tab) |
|---|
| Vitamin B6 | Eat enough of | ●●Moderate | Review / narrative | Vitamin B6 (with folate/B12) regulates homocysteine and neurotransmitter synthesis; low B6 is linked to cognitive slowing. | Linus Pauling Institute; homocysteine literature (opens in a new tab) |
|---|
| Vitamin B6 | Eat enough of | ●●Moderate | Review / narrative | Vitamin B6 (with folate/B12) regulates homocysteine and neurotransmitter synthesis; low B6 is linked to cognitive slowing. | Linus Pauling Institute — Vitamin B6 (opens in a new tab) |
|---|
| Vitamin C | Eat enough of | ●●Moderate | Review / narrative | Adequate vitamin C status is associated with better attention, concentration and memory; deficiency impairs cognition. | Linus Pauling Institute; Travica et al. (opens in a new tab) |
|---|
| Vitamin C | Eat enough of | ●●Moderate | Review / narrative | Adequate vitamin C status is associated with better attention, concentration and memory; deficiency impairs cognition. | Linus Pauling Institute — Vitamin C (opens in a new tab) |
|---|
| Vitamin D | Eat enough of | ●●Moderate | Cohort / observational | Vitamin D deficiency is associated with cognitive decline; vitamin D has neuroprotective/neurotransmitter roles (causality less established). | Mental health & micronutrients review 2024 (opens in a new tab) |
|---|
| Water | Don't overdo | ●●Moderate | Established clinical | Early water intoxication causes confusion and impaired concentration before progressing to seizures. | Water-intoxication literature (opens in a new tab) |
|---|
| Zinc | Eat enough of | ●●Moderate | Established clinical | In older adults, deficiency causes problems with thinking, reasoning and memory. | NIH ODS – Zinc (opens in a new tab) |
|---|
| Belonging (groups / third place) | Watch this | ●Emerging | RCT / meta-analysis | Loneliness/social isolation is associated with poorer cognition across domains and higher dementia risk. | Sutin et al. 2024 (opens in a new tab) |
|---|
| Calm rest space | Do this | ●Emerging | RCT / meta-analysis | Air pollution is a recognized modifiable risk factor for cognitive decline; calm low-stimulus settings reduce cognitive load. | Lancet Commission on dementia 2024 (opens in a new tab) |
|---|
| Colours a day | Watch this | ●Emerging | Cohort / observational | Higher ultra-processed food intake is associated with faster cognitive/executive-function decline; whole-food patterns support cognition. | Gomes Goncalves et al. 2023 (opens in a new tab) |
|---|
| Flexibility (stretching) | Do this | ●Emerging | RCT / trial | Regular exercise improves attention, processing speed, executive function and memory across domains. | Aerobic exercise & neurocognition; FITT-VP exercise-cognition meta (opens in a new tab) |
|---|
| Flexibility (stretching) | Do this | ●Emerging | Systematic review | Regular exercise improves attention, processing speed, executive function and memory across domains. | "Effectiveness of exercise for improving cognition, memory and executive function: a systematic umbrella review", Br J Sports Med 2025 (opens in a new tab) |
|---|
| Indoor air quality | Do this | ●Emerging | RCT / meta-analysis | Air pollution is a recognized modifiable risk factor for cognitive decline; calm low-stimulus settings reduce cognitive load. | Lancet Commission on dementia 2024 (opens in a new tab) |
|---|
| Inner circle (close ties) | Watch this | ●Emerging | RCT / meta-analysis | Loneliness/social isolation is associated with poorer cognition across domains and higher dementia risk. | Sutin et al. 2024 (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | RCT / trial | Regular exercise improves attention, processing speed, executive function and memory across domains. | Aerobic exercise & neurocognition; FITT-VP exercise-cognition meta (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | Systematic review | Regular exercise improves attention, processing speed, executive function and memory across domains. | "Effectiveness of exercise for improving cognition, memory and executive function: a systematic umbrella review", Br J Sports Med 2025 (opens in a new tab) |
|---|
| Sleep hygiene - Bedroom | Do this | ●Emerging | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Sleep hygiene - Clock & light | Do this | ●Emerging | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Sleep hygiene - Intake & timing | Do this | ●Emerging | Systematic review | Sleep deprivation impairs attention and working memory; 7-8 h is optimal for cognition. | Sleep-cognition overview 2023 (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●Emerging | Cohort / observational | Higher ultra-processed food intake is associated with faster cognitive/executive-function decline; whole-food patterns support cognition. | Gomes Goncalves et al. 2023 (opens in a new tab) |
|---|
| Vitamin D | Don't overdo | ●Emerging | Established clinical | Severe hypercalcemia from toxicity can cause confusion and disorientation. | MedlinePlus – Hypervitaminosis D (opens in a new tab) |
|---|
| Vitamin E | Eat enough of | ●Emerging | Review / narrative | Vitamin E is a brain antioxidant; correcting deficiency may benefit some cognitive measures (evidence emerging). | Linus Pauling Institute (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Banyard et al. 2025; exercise umbrella reviews (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Aerobic exercise for adult patients with major depressive disorder in mental health services: A systematic review and meta-analysis, Depress Anxiety 2019 (opens in a new tab) |
|---|
| EPA/DHA (omega-3) | Eat enough of | ●●●Strong | RCT / meta-analysis | Omega-3 (EPA-predominant, 1-2 g/d) significantly reduces depressive symptoms (SMD -0.28) across 26 RCTs. | Bai et al. 2019, Transl Psychiatry (opens in a new tab) |
|---|
| Falling & staying asleep | Watch this | ●●●Strong | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Loneliness — reduce | Watch this | ●●●Strong | RCT / meta-analysis | Loneliness is moderately-to-strongly associated with depression (r~0.49); social connection is protective. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●●Strong | RCT / meta-analysis | Resistance training significantly reduces depressive symptoms (SMD ~-0.9), independent of aerobic exercise. | Resistance-training-for-depression meta-analysis (cf. Gordon 2018) (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●●Strong | RCT / meta-analysis | Quitting smoking reduces depression (SMD -0.25); guideline bodies establish smoking as harmful to mental health. | Taylor et al. 2014, BMJ (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●●Strong | RCT / meta-analysis | Quitting smoking reduces depression (SMD -0.25); guideline bodies establish smoking as harmful to mental health. | Change in mental health after smoking cessation: systematic review and meta-analysis, BMJ 2014 (opens in a new tab) |
|---|
| Added Sugars | Don't overdo | ●●Moderate | RCT / meta-analysis | High added-sugar/ultra-processed intake is associated with greater depression risk (OR 1.44; HR 1.22). | Lane et al. 2022 (opens in a new tab) |
|---|
| Alcohol — cut back | Do this | ●●Moderate | RCT / meta-analysis | Alcohol disrupts stress-axis regulation and is strongly comorbid with and worsens depression. | Weckesser et al. 2025; alcohol-depression comorbidity (opens in a new tab) |
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| Alcohol — cut back | Do this | ●●Moderate | RCT / meta-analysis | Alcohol disrupts stress-axis regulation and is strongly comorbid with and worsens depression. | Weckesser et al., "A systematic review with meta-analysis on the relation between acute stress, alcohol consumption and cortisol", Transl Psychiatry 2025 (opens in a new tab) |
|---|
| Belonging (groups / third place) | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately-to-strongly associated with depression (r~0.49); social connection is protective. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Biotin (B7) | Eat enough of | ●●Moderate | Established clinical | Adult deficiency causes neurological findings including depression, lethargy and hallucinations. | NIH ODS – Biotin (opens in a new tab) |
|---|
| Breath/mind (slow breathing) | Do this | ●●Moderate | Systematic review | Slow breathing and mind-body practice ease depressive symptoms via autonomic and stress-axis pathways. | Slow-breathing / mind-body reviews (opens in a new tab) |
|---|
| Breath/mind (slow breathing) | Do this | ●●Moderate | RCT / meta-analysis | Slow breathing and mind-body practice ease depressive symptoms via autonomic and stress-axis pathways. | "Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and meta-analysis", Neurosci Biobehav Rev 2022 (opens in a new tab) |
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| Calm rest space | Do this | ●●Moderate | RCT / meta-analysis | Greenspace/nature exposure is associated with lower depression and stress-hormone levels. | Twohig-Bennett & Jones 2018 (opens in a new tab) |
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| Daily movement baseline | Do this | ●●Moderate | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Banyard et al. 2025; exercise umbrella reviews (opens in a new tab) |
|---|
| Daily movement baseline | Do this | ●●Moderate | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Banyard et al., "Effect of exercise on depression and anxiety symptoms: systematic umbrella review with meta-analysis", Br J Sports Med 2026 (opens in a new tab) |
|---|
| Flexibility (stretching) | Do this | ●●Moderate | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Banyard et al. 2025; exercise umbrella reviews (opens in a new tab) |
|---|
| Flexibility (stretching) | Do this | ●●Moderate | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Banyard et al., "Effect of exercise on depression and anxiety symptoms: systematic umbrella review with meta-analysis", Br J Sports Med 2026 (opens in a new tab) |
|---|
| Folate (B9) | Eat enough of | ●●Moderate | Established clinical | Deficiency causes neuropsychiatric symptoms including depression and cognitive impairment. | StatPearls – Folate (opens in a new tab) |
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| Inner circle (close ties) | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately-to-strongly associated with depression (r~0.49); social connection is protective. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Iodine | Eat enough of | ●●Moderate | Established clinical | Hypothyroidism from deficiency causes depression and low mood. | NIH ODS – Iodine (opens in a new tab) |
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| Iron | Eat enough of | ●●Moderate | Cohort / observational | Iron deficiency is linked to low mood, anxiety and anhedonia and is sometimes misdiagnosed as depression; symptoms improve with repletion. | Psychiatric-IDA review (PMC10595923) (opens in a new tab) |
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| Magnesium | Eat enough of | ●●Moderate | Cohort / observational | Low magnesium status is associated with depression. | NIH ODS – Magnesium (opens in a new tab) |
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| Morning daylight | Do this | ●●Moderate | RCT / meta-analysis | Bright/morning light is first-line for seasonal depression; mild-to-moderate, mixed evidence for non-seasonal MDD. | Light-therapy-for-depression meta-analysis (Do et al. 2022) (opens in a new tab) |
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| Niacin (B3) | Eat enough of | ●●Moderate | Established clinical | Niacin deficiency causes neuropsychiatric symptoms including depression and apathy. | Pellagra case literature (opens in a new tab) |
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| Polyunsaturated fat | Eat enough of | ●●Moderate | Cohort / observational | Low omega-3 PUFA status is linked to depression and impaired cognition; PUFAs are central to brain structure and anti-inflammatory signaling. | Omega-3 / mood literature (opens in a new tab) |
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| Polyunsaturated fat | Eat enough of | ●●Moderate | RCT / meta-analysis | Low omega-3 PUFA status is linked to depression and impaired cognition; PUFAs are central to brain structure and anti-inflammatory signaling. | "Omega-3 polyunsaturated fatty acids in treating depression: a meta-analysis", J Affect Disord 2025 (opens in a new tab) |
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| Screens before bed — cut back | Do this | ●●Moderate | RCT / meta-analysis | Problematic smartphone use is associated with markedly higher depression (OR 3.17). | Sohn et al. 2019, BMC Psychiatry (opens in a new tab) |
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| Selenium | Don't overdo | ●●Moderate | Review / narrative | Selenium overexposure (selenosis) causes a neuropsychological syndrome including depression, irritability and fatigue. | Vinceti et al. 2013; NIH ODS (opens in a new tab) |
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| Selenium | Don't overdo | ●●Moderate | Established clinical | Selenium overexposure (selenosis) causes a neuropsychological syndrome including depression, irritability and fatigue. | NIH Office of Dietary Supplements — Selenium (opens in a new tab) |
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| Sleep duration | Watch this | ●●Moderate | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
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| Sleep hygiene - Wind-down | Do this | ●●Moderate | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Sleep quality (refreshed) | Watch this | ●●Moderate | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Sleep regularity | Watch this | ●●Moderate | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Staying in touch (social reps) | Do this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately-to-strongly associated with depression (r~0.49); social connection is protective. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater depression risk (OR 1.44; prospective HR 1.22). | Lane et al. 2022 (opens in a new tab) |
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| Total Fiber | Eat enough of | ●●Moderate | Cohort / observational | Higher dietary fiber shows a robust L-shaped inverse link with depression (up to ~30% lower odds); acts via the gut-brain axis and lower inflammation. | Dietary fiber & depression (NHANES 2005-2020) (opens in a new tab) |
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| Toxic relationships — reduce | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately-to-strongly associated with depression (r~0.49); social connection is protective. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Ultra-processed food — cut back | Do this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater depression risk (OR 1.44; prospective HR 1.22). | Lane et al. 2022 (opens in a new tab) |
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| Vitamin B12 | Eat enough of | ●●Moderate | Established clinical | Deficiency causes depression, irritability and, rarely, psychosis. | NIH ODS – Vitamin B12 (opens in a new tab) |
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| Vitamin B6 | Eat enough of | ●●Moderate | Mechanistic | B6 (as PLP) is a cofactor for serotonin, dopamine and GABA synthesis; deficiency causes depression, confusion and irritability. | NIH ODS / systematic review – Vitamin B6 (opens in a new tab) |
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| Vitamin B6 | Eat enough of | ●●Moderate | Established clinical | B6 (as PLP) is a cofactor for serotonin, dopamine and GABA synthesis; deficiency causes depression, confusion and irritability. | NIH Office of Dietary Supplements — Vitamin B6 (opens in a new tab) |
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| Vitamin C | Eat enough of | ●●Moderate | Established clinical | Depression is a recognized feature of scurvy. | NIH ODS – Vitamin C (opens in a new tab) |
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| Vitamin D | Eat enough of | ●●Moderate | RCT / meta-analysis | Each 1000 IU/day vitamin D3 slightly reduces depressive symptoms (SMD -0.32); benefit greater in those with depression/deficiency. | Vitamin D & depression dose-response meta 2024 (opens in a new tab) |
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| Warmth & quality of ties | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately-to-strongly associated with depression (r~0.49); social connection is protective. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
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| Zinc | Eat enough of | ●●Moderate | RCT / meta-analysis | Depression is associated with lower serum zinc; zinc supplementation reduces depressive symptoms (SMD -0.36). | Swardfager et al. 2013; zinc supplementation meta 2021 (opens in a new tab) |
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| Zinc | Eat enough of | ●●Moderate | RCT / meta-analysis | Depression is associated with lower serum zinc; zinc supplementation reduces depressive symptoms (SMD -0.36). | Swardfager et al., "Zinc in depression: a meta-analysis", Biol Psychiatry 2013 (opens in a new tab) |
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| Anchor foods | Watch this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater depression risk (OR 1.44; prospective HR 1.22). | Lane et al. 2022 (opens in a new tab) |
|---|
| Colours a day | Watch this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater depression risk (OR 1.44; prospective HR 1.22). | Lane et al. 2022 (opens in a new tab) |
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| Cook real food | Do this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater depression risk (OR 1.44; prospective HR 1.22). | Lane et al. 2022 (opens in a new tab) |
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| Daytime alertness | Watch this | ●Emerging | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Manganese | Don't overdo | ●Emerging | Established clinical | Manganism includes behavioral/psychiatric changes — apathy, anorexia and irritability. | Manganism literature (opens in a new tab) |
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| Movement (breaking up sitting) | Do this | ●Emerging | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Banyard et al. 2025; exercise umbrella reviews (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | RCT / meta-analysis | Aerobic exercise has a large antidepressant effect (SMD ~-0.8 to -1.6); guideline-recognized for depression. | Banyard et al., "Effect of exercise on depression and anxiety symptoms: systematic umbrella review with meta-analysis", Br J Sports Med 2026 (opens in a new tab) |
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| Selenium | Eat enough of | ●Emerging | Review / narrative | Low selenium status is inversely associated with low mood/depression (U-shaped risk); evidence emerging. | Trace-minerals & mood review 2023 (opens in a new tab) |
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| Sleep hygiene - Bedroom | Do this | ●Emerging | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Sleep hygiene - Clock & light | Do this | ●Emerging | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Sleep hygiene - Intake & timing | Do this | ●Emerging | RCT / meta-analysis | Insomnia roughly doubles the risk of developing depression (OR 2.60); a core modifiable risk factor. | Baglioni et al. 2011 (opens in a new tab) |
|---|
| Water / hydration | Do this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater depression risk (OR 1.44; prospective HR 1.22). | Lane et al. 2022 (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | Lifestyle-migraine meta 2024; American Migraine Foundation (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | The effect of aerobic exercise on the number of migraine days, duration and pain intensity in migraine: a systematic literature review and meta-analysis, J Headache Pain 2019 (opens in a new tab) |
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| Vitamin A (RAE) | Don't overdo | ●●●Strong | Established clinical | Acute hypervitaminosis A (preformed retinol, >100x RDA) causes severe headache, dizziness and raised intracranial pressure. | NIH ODS – Vitamin A & Carotenoids (opens in a new tab) |
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| Water | Eat enough of | ●●●Strong | RCT / trial | Regular increased water intake reduced headache burden; dehydration is a well-established headache trigger. | Spigt et al. 2012, Fam Pract (opens in a new tab) |
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| Water / hydration | Do this | ●●●Strong | RCT / trial | Increasing water intake reduced headache burden in recurrent-headache patients; dehydration is a well-known trigger. | Spigt et al. 2012, Fam Pract (opens in a new tab) |
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| Alcohol — cut back | Do this | ●●Moderate | Established clinical | Alcohol (especially red wine) triggers migraine in ~75% of patients via inflammatory, vasodilatory and histamine/tyramine mechanisms. | Lifestyle modifications for migraine (Frontiers 2022) (opens in a new tab) |
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| Anchor foods | Watch this | ●●Moderate | Systematic review | Skipping meals, especially breakfast, is associated with migraine; regular meals are standard preventive advice. | Robblee & Starling 2019 (opens in a new tab) |
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| Breath/mind (slow breathing) | Do this | ●●Moderate | RCT / meta-analysis | Relaxation training, biofeedback and mindfulness reduce migraine/headache frequency; guideline-endorsed behavioral prevention. | Behavioral-intervention meta (relaxation, CBT, mindfulness) (opens in a new tab) |
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| Caffeine — mind amount & timing | Do this | ●●Moderate | Systematic review | Irregular or high caffeine intake and caffeine withdrawal trigger headaches; low, stable intake is advised. | Robblee & Starling 2019 (opens in a new tab) |
|---|
| Calcium | Eat enough of | ●●Moderate | Cohort / observational | High dietary calcium is inversely associated with migraine; with magnesium it supports neuronal/vascular stability. | Dietary calcium & magnesium vs migraine (NHANES) (opens in a new tab) |
|---|
| Daily movement baseline | Do this | ●●Moderate | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | Lifestyle-migraine meta 2024; American Migraine Foundation (opens in a new tab) |
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| Daily movement baseline | Do this | ●●Moderate | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | "The relationship between lifestyle behaviors and tension-type headache and migraine: a systematic review and meta-analysis", Medicine 2025 (opens in a new tab) |
|---|
| EPA/DHA (omega-3) | Eat enough of | ●●Moderate | RCT / meta-analysis | High EPA+DHA intake (~1.5 g/d) reduces migraine frequency and severity; 40-RCT network meta supports high-dose EPA/DHA prophylaxis. | Ramsden et al. 2021, BMJ; omega-3 network meta 2023 (opens in a new tab) |
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| EPA/DHA (omega-3) | Eat enough of | ●●Moderate | RCT / trial | High EPA+DHA intake (~1.5 g/d) reduces migraine frequency and severity; 40-RCT network meta supports high-dose EPA/DHA prophylaxis. | Ramsden et al., "Dietary alteration of n-3 and n-6 fatty acids for headache reduction in adults with migraine: randomized controlled trial", BMJ 2021 (opens in a new tab) |
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| Falling & staying asleep | Watch this | ●●Moderate | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
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| Falling & staying asleep | Watch this | ●●Moderate | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
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| Flexibility (stretching) | Do this | ●●Moderate | RCT / trial | Yoga and mind-body movement can reduce headache/migraine frequency as an add-on to usual care. | Mind-body movement & headache (NCCIH; yoga RCTs) (opens in a new tab) |
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| Flexibility (stretching) | Do this | ●●Moderate | RCT / trial | Yoga and mind-body movement can reduce headache/migraine frequency as an add-on to usual care. | "Yoga-based breathing and relaxation as adjunctive therapy for chronic migraine: a randomized controlled trial", Complement Ther Med 2025 (opens in a new tab) |
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| Magnesium | Eat enough of | ●●Moderate | RCT / meta-analysis | The American Academy of Neurology/American Headache Society judge magnesium probably effective for migraine prevention. | NIH ODS – Magnesium (AAN/AHS guideline) (opens in a new tab) |
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| Riboflavin (B2) | Eat enough of | ●●Moderate | Established clinical | Low riboflavin status is linked to migraine; high-dose riboflavin (400 mg) is an evidence-based migraine prophylaxis. | NIH ODS / Harvard – Riboflavin (opens in a new tab) |
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| Riboflavin (B2) | Eat enough of | ●●Moderate | Established clinical | Low riboflavin status is linked to migraine; high-dose riboflavin (400 mg) is an evidence-based migraine prophylaxis. | NIH Office of Dietary Supplements — Riboflavin (opens in a new tab) |
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| Screens before bed — cut back | Do this | ●●Moderate | Established clinical | Screen time/blue light before bed activates the brain and disrupts sleep, worsening migraine. | American Migraine Foundation (opens in a new tab) |
|---|
| Sleep duration | Watch this | ●●Moderate | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
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| Sleep duration | Watch this | ●●Moderate | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
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| Sleep duration | Watch this | ●●Moderate | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | "The relationship between lifestyle behaviors and tension-type headache and migraine: a systematic review and meta-analysis", Medicine 2025 (opens in a new tab) |
|---|
| Sleep hygiene - Wind-down | Do this | ●●Moderate | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
|---|
| Sleep hygiene - Wind-down | Do this | ●●Moderate | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
|---|
| Sleep quality (refreshed) | Watch this | ●●Moderate | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
|---|
| Sleep quality (refreshed) | Watch this | ●●Moderate | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
|---|
| Sleep regularity | Watch this | ●●Moderate | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
|---|
| Sleep regularity | Watch this | ●●Moderate | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●Moderate | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | Lifestyle-migraine meta 2024; American Migraine Foundation (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●Moderate | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | "The relationship between lifestyle behaviors and tension-type headache and migraine: a systematic review and meta-analysis", Medicine 2025 (opens in a new tab) |
|---|
| Vitamin B12 | Don't overdo | ●●Moderate | Established clinical | B12 has NO official UL, but chronic megadosing (supplements ~500-1,000 mcg = 200-400x the 2.4 mcg RDA) overwhelms excretion; a documented case links high-dose B12 to headache and insomnia, resolving ~2 weeks after stopping. (Flagship of the 4x-RDA practical-ceiling rule.) | Case report (PubMed 31018715) – high-dose B12 (opens in a new tab) |
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| Calm rest space | Do this | ●Emerging | Review / narrative | Strong odors and sensory overload can provoke migraine; a calm, low-stimulus environment helps. | Migraine trigger literature (Frontiers 2022) (opens in a new tab) |
|---|
| Carbohydrate | Eat enough of | ●Emerging | RCT / trial | Abrupt carbohydrate restriction/fasting can provoke short-term headaches ("keto-flu"), though ketogenic diets may reduce migraine longer-term. | Migraine diet literature 2022 (opens in a new tab) |
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| Colours a day | Watch this | ●Emerging | Review / narrative | Balanced/Mediterranean-style eating is associated with lower migraine burden; irregular dietary patterns can trigger attacks. | Food in migraine management review 2024 (opens in a new tab) |
|---|
| Daytime alertness | Watch this | ●Emerging | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
|---|
| Daytime alertness | Watch this | ●Emerging | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
|---|
| Folate (B9) | Eat enough of | ●Emerging | Cohort / observational | Higher dietary folate intake is inversely associated with migraine frequency; evidence emerging. | Dietary B6/folate-migraine association (via food-migraine review 2024) (opens in a new tab) |
|---|
| Indoor air quality | Do this | ●Emerging | Review / narrative | Strong odors and sensory overload can provoke migraine; a calm, low-stimulus environment helps. | Migraine trigger literature (Frontiers 2022) (opens in a new tab) |
|---|
| Morning daylight | Do this | ●Emerging | Established clinical | Bright light/glare is a common migraine trigger; consistent light-dark timing supports circadian regularity. | American Migraine Foundation (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | Lifestyle-migraine meta 2024; American Migraine Foundation (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | RCT / meta-analysis | Regular moderate aerobic exercise (30-50 min, 3-5x/wk) cuts migraine frequency/severity 30-40%, sometimes exceeding oral preventives. | "The relationship between lifestyle behaviors and tension-type headache and migraine: a systematic review and meta-analysis", Medicine 2025 (opens in a new tab) |
|---|
| Pantothenic acid (B5) | Eat enough of | ●Emerging | Established clinical | Headache is a reported symptom of deficiency. | NIH ODS – Pantothenic acid (opens in a new tab) |
|---|
| Sleep hygiene - Bedroom | Do this | ●Emerging | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
|---|
| Sleep hygiene - Bedroom | Do this | ●Emerging | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
|---|
| Sleep hygiene - Clock & light | Do this | ●Emerging | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
|---|
| Sleep hygiene - Clock & light | Do this | ●Emerging | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
|---|
| Sleep hygiene - Intake & timing | Do this | ●Emerging | RCT / meta-analysis | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling 2019, Cleveland Clinic J Med; lifestyle-migraine meta 2024 (opens in a new tab) |
|---|
| Sleep hygiene - Intake & timing | Do this | ●Emerging | Review / narrative | Irregular sleep is a major migraine trigger; consistent sleep-wake schedules are a cornerstone of prevention. | Robblee & Starling, "SEEDS for success: Lifestyle management in migraine", Cleve Clin J Med 2019 (opens in a new tab) |
|---|
| Sodium | Eat enough of | ●Emerging | RCT / trial | Sodium balance interacts with hydration; hyponatremia/dehydration-related sodium loss can provoke headache (low-sodium DASH otherwise helps). | Migraine diet literature 2022 (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●Emerging | Review / narrative | Balanced/Mediterranean-style eating is associated with lower migraine burden; irregular dietary patterns can trigger attacks. | Food in migraine management review 2024 (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●Emerging | Cohort / observational | Smoking is associated with increased migraine/headache frequency. | Migraine risk-factor literature (opens in a new tab) |
|---|
| Total Fiber | Eat enough of | ●Emerging | Cohort / observational | Higher dietary fiber is associated with fewer severe headaches/migraine (about 11% lower per 10 g/day). | Dietary fiber & severe headache/migraine (NHANES) (opens in a new tab) |
|---|
| Ultra-processed food — cut back | Do this | ●Emerging | Review / narrative | Balanced/Mediterranean-style eating is associated with lower migraine burden; irregular dietary patterns can trigger attacks. | Food in migraine management review 2024 (opens in a new tab) |
|---|
| Vitamin B6 | Eat enough of | ●Emerging | Cohort / observational | Higher dietary vitamin B6 intake is inversely associated with severe headache/migraine; evidence emerging. | Dietary B6/folate-migraine association (via food-migraine review 2024) (opens in a new tab) |
|---|
| Vitamin D | Eat enough of | ●Emerging | Cohort / observational | Low vitamin D status is associated with higher migraine frequency; supplementation evidence is emerging. | Food in migraine management review 2024 (opens in a new tab) |
|---|
| Caffeine — mind amount & timing | Do this | ●●●Strong | RCT / meta-analysis | Caffeine blocks adenosine receptors, cutting sleep pressure and deep (N3) sleep; effects persist for hours (half-life 4-6 h). | Caffeine-sleep meta 2023 (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / meta-analysis | All exercise modalities significantly improve sleep quality; aerobic exercise ranks among the most effective. | Exercise-sleep NMA 2025 (opens in a new tab) |
|---|
| Sleep hygiene - Clock & light | Do this | ●●●Strong | RCT / trial | Light is the dominant melatonin synchronizer; blue/bright evening light suppresses melatonin, dim light and a dark room preserve it. | Evening light-melatonin studies (opens in a new tab) |
|---|
| Sleep hygiene - Wind-down | Do this | ●●●Strong | Review / narrative | A wind-down buffer lowers pre-sleep cortisol/arousal; stimulus control and relaxation are core CBT-I components. | HPA-axis & insomnia (Endotext); CBT-I (opens in a new tab) |
|---|
| Sleep hygiene - Wind-down | Do this | ●●●Strong | RCT / meta-analysis | A wind-down buffer lowers pre-sleep cortisol/arousal; stimulus control and relaxation are core CBT-I components. | Effects of sleep hygiene education for insomnia: A systematic review and meta-analysis, Sleep Med Rev 2025 (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●●Strong | RCT / meta-analysis | Muscle-strengthening (resistance) exercise was the single most effective modality for sleep quality (SUCRA 94.6%). | Exercise-sleep NMA (older insomnia) (opens in a new tab) |
|---|
| Added Sugars | Don't overdo | ●●Moderate | RCT / trial | Higher sugar intake is associated with more nighttime arousals and lighter, less restorative sleep. | St-Onge et al. 2016, J Clin Sleep Med (opens in a new tab) |
|---|
| Alcohol — cut back | Do this | ●●Moderate | RCT / meta-analysis | Alcohol suppresses REM and fragments the second half of the night dose-dependently (even ~2 drinks); habitual use links to insomnia symptoms. | Gardiner et al. 2024, Sleep Med Rev (opens in a new tab) |
|---|
| Breath/mind (slow breathing) | Do this | ●●Moderate | Review / narrative | Insomnia is a state of HPA/cortisol hyperarousal; relaxation and slow breathing lower arousal and support sleep. | HPA-axis & insomnia (Endotext) (opens in a new tab) |
|---|
| Breath/mind (slow breathing) | Do this | ●●Moderate | RCT / meta-analysis | Insomnia is a state of HPA/cortisol hyperarousal; relaxation and slow breathing lower arousal and support sleep. | "Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and meta-analysis", Neurosci Biobehav Rev 2022 (opens in a new tab) |
|---|
| Calcium | Eat enough of | ●●Moderate | Cohort / observational | Inadequate calcium is independently associated with difficulty falling asleep and non-restorative sleep; calcium helps the brain make melatonin from tryptophan. | NHANES 2005-2016 (opens in a new tab) |
|---|
| Daily movement baseline | Do this | ●●Moderate | RCT / meta-analysis | Regular physical activity improves sleep quality and insomnia severity via raised sleep pressure, lower cortisol and thermoregulation. | Exercise-insomnia meta (opens in a new tab) |
|---|
| EPA/DHA (omega-3) | Eat enough of | ●●Moderate | Review / narrative | Omega-3 PUFAs enhance serotonin signaling and melatonin secretion; low omega-3 is linked to disturbed sleep. | Nutritional-interventions review (opens in a new tab) |
|---|
| Flexibility (stretching) | Do this | ●●Moderate | RCT / meta-analysis | Stretching and yoga (mind-body movement) significantly improve sleep quality and reduce insomnia severity. | Stretching/yoga for insomnia; exercise-sleep NMA (opens in a new tab) |
|---|
| Flexibility (stretching) | Do this | ●●Moderate | RCT / meta-analysis | Stretching and yoga (mind-body movement) significantly improve sleep quality and reduce insomnia severity. | "Effects of various exercise interventions in insomnia patients: a systematic review and network meta-analysis", BMJ Evid Based Med 2026 (opens in a new tab) |
|---|
| Folate (B9) | Eat enough of | ●●Moderate | Cohort / observational | Folate supports serotonin/melatonin formation; low folate intake is associated with short sleep. | Peuhkuri 2012; NHANES 2005-2016 (opens in a new tab) |
|---|
| Folate (B9) | Eat enough of | ●●Moderate | Review / narrative | Folate supports serotonin/melatonin formation; low folate intake is associated with short sleep. | Peuhkuri et al., "Diet promotes sleep duration and quality", Nutr Res 2012 (opens in a new tab) |
|---|
| Iron | Eat enough of | ●●Moderate | Systematic review | Iron deficiency causes restless legs syndrome and fragmented sleep; low iron is linked to short sleep and disrupted dopaminergic sleep-wake control. | Micronutrient-sleep review (opens in a new tab) |
|---|
| Loneliness — reduce | Watch this | ●●Moderate | Review / narrative | Loneliness elevates physiological hyperarousal, contributing to fragmented, poorer-quality sleep. | Hyperarousal & insomnia literature (opens in a new tab) |
|---|
| Magnesium | Eat enough of | ●●Moderate | RCT / trial | Magnesium calms the HPA axis (lowers cortisol), supports melatonin synthesis, and improved sleep in a primary-insomnia RCT. | Abbasi et al. 2012; melatonin-cofactor review (opens in a new tab) |
|---|
| Magnesium | Eat enough of | ●●Moderate | RCT / trial | Magnesium calms the HPA axis (lowers cortisol), supports melatonin synthesis, and improved sleep in a primary-insomnia RCT. | Abbasi et al., "The effect of magnesium supplementation on primary insomnia in elderly: a double-blind placebo-controlled clinical trial", J Res Med Sci 2012 (opens in a new tab) |
|---|
| Morning daylight | Do this | ●●Moderate | Established clinical | Morning daylight anchors the circadian clock and raises night-time melatonin, easing sleep onset. | Tryptophan-breakfast + morning-light study (opens in a new tab) |
|---|
| Saturated fat | Don't overdo | ●●Moderate | RCT / trial | Higher saturated-fat intake predicts less deep slow-wave sleep and more arousals (possibly via orexin signaling). | St-Onge et al. 2016, J Clin Sleep Med (opens in a new tab) |
|---|
| Screens before bed — cut back | Do this | ●●Moderate | RCT / trial | Light is the dominant melatonin synchronizer; blue/bright evening light suppresses melatonin, dim light and a dark room preserve it. | Evening light-melatonin studies (opens in a new tab) |
|---|
| Sleep hygiene - Bedroom | Do this | ●●Moderate | RCT / trial | Light is the dominant melatonin synchronizer; blue/bright evening light suppresses melatonin, dim light and a dark room preserve it. | Evening light-melatonin studies (opens in a new tab) |
|---|
| Sleep hygiene - Intake & timing | Do this | ●●Moderate | RCT / meta-analysis | Caffeine blocks adenosine receptors, cutting sleep pressure and deep (N3) sleep; effects persist for hours (half-life 4-6 h). | Caffeine-sleep meta 2023 (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●Moderate | Review / narrative | Nicotine is a stimulant that raises arousal and, like caffeine, interferes with adenosine-driven sleep pressure. | Adenosine/nicotine & sleep (opens in a new tab) |
|---|
| Total Fiber | Eat enough of | ●●Moderate | RCT / trial | Higher fiber intake predicts more deep slow-wave sleep and fewer nighttime arousals. | St-Onge et al. 2016, J Clin Sleep Med (opens in a new tab) |
|---|
| Vitamin B6 | Eat enough of | ●●Moderate | Mechanistic | Vitamin B6 is the cofactor converting tryptophan to serotonin and then melatonin; low B6 lowers melatonin. | Melatonin-cofactor review (Peuhkuri 2012) (opens in a new tab) |
|---|
| Vitamin D | Eat enough of | ●●Moderate | Systematic review | Serum vitamin D is inversely associated with sleep latency and daytime sleepiness; deficiency links to poorer sleep. | Micronutrient-sleep review; NHANES (opens in a new tab) |
|---|
| Zinc | Eat enough of | ●●Moderate | Cohort / observational | Zinc activates the AANAT enzyme (serotonin to melatonin); higher serum zinc is linked to less sleep disturbance. | AANAT literature; NHANES 2011-2016 (opens in a new tab) |
|---|
| Anchor foods | Watch this | ●Emerging | Review / narrative | Irregular meal timing, high added sugar and ultra-processed intake are associated with poorer, more fragmented sleep. | St-Onge et al., "Effects of Diet on Sleep Quality", Adv Nutr 2016 (opens in a new tab) |
|---|
| Calm rest space | Do this | ●Emerging | Review / narrative | A wind-down buffer lowers pre-sleep cortisol/arousal; stimulus control and relaxation are core CBT-I components. | HPA-axis & insomnia (Endotext); CBT-I (opens in a new tab) |
|---|
| Calm rest space | Do this | ●Emerging | RCT / meta-analysis | A wind-down buffer lowers pre-sleep cortisol/arousal; stimulus control and relaxation are core CBT-I components. | Effects of sleep hygiene education for insomnia: A systematic review and meta-analysis, Sleep Med Rev 2025 (opens in a new tab) |
|---|
| Carbohydrate | Eat enough of | ●Emerging | Review / narrative | A high-glycaemic carbohydrate meal ~4 h before bed can speed sleep onset by aiding tryptophan uptake, and very low intake is linked to shorter sleep. Note: the relationship is non-linear - excess/late sugar fragments sleep (see Added Sugars, excess). | Diet & sleep literature (opens in a new tab) |
|---|
| Copper | Eat enough of | ●Emerging | Cohort / observational | Copper modulates NMDA-receptor activity (linked to NREM sleep); copper inadequacy is associated with short sleep. | NHANES 2011-2016 (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | RCT / meta-analysis | Regular physical activity improves sleep quality and insomnia severity via raised sleep pressure, lower cortisol and thermoregulation. | Exercise-insomnia meta (opens in a new tab) |
|---|
| Niacin (B3) | Eat enough of | ●Emerging | Cohort / observational | Adequate niacin spares tryptophan for serotonin/melatonin; low niacin is associated with short sleep. | NHANES 2005-2016 (opens in a new tab) |
|---|
| Potassium | Eat enough of | ●Emerging | Cohort / observational | Low potassium intake is associated with short sleep; potassium supports muscle/nerve relaxation. | NHANES 2005-2016 (opens in a new tab) |
|---|
| Protein | Eat enough of | ●Emerging | Review / narrative | Adequate protein supplies tryptophan (the melatonin precursor); very low intake is linked to shorter sleep. Note: the relationship is non-linear - excess protein can competitively REDUCE tryptophan entry to the brain. | Diet & sleep literature (opens in a new tab) |
|---|
| Selenium | Eat enough of | ●Emerging | Cohort / observational | Serum selenium is associated with sleep; selenium supports antioxidant/immune pathways relevant to sleep regulation. | NHANES 2011-2016 (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●Emerging | Review / narrative | Irregular meal timing, high added sugar and ultra-processed intake are associated with poorer, more fragmented sleep. | Effects of Diet on Sleep Quality, Adv Nutr 2016 (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●Emerging | Review / narrative | Irregular meal timing, high added sugar and ultra-processed intake are associated with poorer, more fragmented sleep. | Effects of Diet on Sleep Quality, Adv Nutr 2016 (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●Emerging | Review / narrative | Irregular meal timing, high added sugar and ultra-processed intake are associated with poorer, more fragmented sleep. | Effects of Diet on Sleep Quality, Adv Nutr 2016 (opens in a new tab) |
|---|
| Ultra-processed food — cut back | Do this | ●Emerging | Review / narrative | Irregular meal timing, high added sugar and ultra-processed intake are associated with poorer, more fragmented sleep. | St-Onge et al., "Effects of Diet on Sleep Quality", Adv Nutr 2016 (opens in a new tab) |
|---|
| Vitamin A (RAE) | Eat enough of | ●Emerging | Cohort / observational | Vitamin A supports retinal light-sensing that entrains circadian rhythm; inadequacy is associated with short sleep. | NHANES 2005-2016 (opens in a new tab) |
|---|
| Vitamin B12 | Eat enough of | ●Emerging | Cohort / observational | Vitamin B12 supports circadian/sleep-wake regulation; low B12 has been correlated with poorer sleep quality. | B12 & sleep-wake literature (opens in a new tab) |
|---|
| Vitamin B12 | Don't overdo | ●Emerging | Cohort / observational | Very high B12 (e.g., high-dose injections) has been associated with insomnia and altered sleep-wake timing. | B12 & sleep-wake literature (opens in a new tab) |
|---|
| Vitamin C | Eat enough of | ●Emerging | Cohort / observational | Low vitamin C intake is associated with short sleep; as an antioxidant it may buffer oxidative-stress effects on sleep. | NHANES 2005-2016 (opens in a new tab) |
|---|
| Vitamin E | Eat enough of | ●Emerging | Cohort / observational | Low vitamin E intake is associated with short sleep (antioxidant role; evidence observational). | NHANES 2005-2016 (opens in a new tab) |
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| Alcohol — cut back | Do this | ●●●Strong | Established clinical | Chronic alcohol use is a major direct cause of peripheral neuropathy (toxic plus thiamine depletion). | Nutritional & toxic neuropathy (opens in a new tab) |
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| Vitamin B12 | Eat enough of | ●●●Strong | RCT / meta-analysis | B12 deficiency causes nerve degeneration; supplementation reduces neuropathic symptoms and pain in diabetic neuropathy. | B12 & diabetic neuropathy meta (opens in a new tab) |
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| Added Sugars | Don't overdo | ●●Moderate | RCT / meta-analysis | Added sugars drive the blood-glucose spikes that damage peripheral nerves. | Glucose & nerve damage (opens in a new tab) |
|---|
| BMI | Watch this | ●●Moderate | Review / narrative | Obesity and metabolic syndrome cause peripheral neuropathy even without diabetes, via insulin resistance and inflammation. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Body Roundness Index | Watch this | ●●Moderate | Review / narrative | Body-shape indices capturing central adiposity flag metabolic neuropathy risk. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●Moderate | RCT / trial | Aerobic plus resistance training improved sensory and motor nerve conduction velocity and symptoms in diabetic neuropathy. | Exercise & nerve conduction (opens in a new tab) |
|---|
| Copper | Eat enough of | ●●Moderate | Review / narrative | Copper deficiency causes a myeloneuropathy with sensory ataxia and peripheral nerve involvement, reversible with repletion. | Copper-deficiency myeloneuropathy (opens in a new tab) |
|---|
| Daily movement baseline | Do this | ●●Moderate | Review / narrative | Physical inactivity worsens neuropathy; regular activity supports glycemic control and nerve blood flow. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Strength (resistance) | Do this | ●●Moderate | RCT / trial | Resistance training (with aerobic) improved nerve function and glycemic control in diabetic neuropathy. | Exercise & nerve conduction (opens in a new tab) |
|---|
| Sugary drinks & snacks — cut back | Do this | ●●Moderate | RCT / meta-analysis | Blood-sugar spikes from sugary drinks and snacks interfere with nerve signalling and drive nerve damage. | Glucose & nerve damage (opens in a new tab) |
|---|
| Thiamin (B1) | Eat enough of | ●●Moderate | Review / narrative | Thiamine deficiency causes beriberi neuropathy and drives alcoholic neuropathy. | Nutritional & toxic neuropathy (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●Moderate | Review / narrative | Smoking worsens the microvascular damage and oxidative stress that injure peripheral nerves. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Total Sugars | Don't overdo | ●●Moderate | RCT / meta-analysis | A high total-sugar, high-glycemic load drives the hyperglycemia behind the commonest (diabetic) neuropathy. | Glucose & nerve damage (opens in a new tab) |
|---|
| Ultra-processed food — cut back | Do this | ●●Moderate | RCT / meta-analysis | Whole-food eating supports glycemic control - the master lever for the commonest (diabetic) neuropathy. | Glucose & nerve damage (opens in a new tab) |
|---|
| Vitamin B6 | Eat enough of | ●●Moderate | Systematic review | B6 deficiency causes a sensorimotor peripheral neuropathy. | Vitamin B6 & neuropathy (opens in a new tab) |
|---|
| Vitamin B6 | Don't overdo | ●●Moderate | Systematic review | Excess B6 (megadose supplements, >=200 mg/day) causes a sensory peripheral neuropathy; keep supplements low. | Vitamin B6 toxicity & neuropathy (opens in a new tab) |
|---|
| Vitamin E | Eat enough of | ●●Moderate | Review / narrative | Vitamin E deficiency causes a sensory peripheral neuropathy and ataxia. | Nutritional & toxic neuropathy (opens in a new tab) |
|---|
| Waist-to-height ratio | Watch this | ●●Moderate | Review / narrative | Central adiposity promotes insulin resistance and metabolic dysfunction that damage peripheral nerves. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Waist-to-hip ratio | Watch this | ●●Moderate | Review / narrative | Visceral fat is a metabolic risk factor for peripheral neuropathy beyond overall weight. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Zinc | Don't overdo | ●●Moderate | Review / narrative | Excess zinc (high-dose supplements, denture creams) depletes copper and causes a reversible myeloneuropathy. | Zinc-induced copper deficiency (opens in a new tab) |
|---|
| Carbohydrate | Don't overdo | ●Emerging | RCT / meta-analysis | Refined and high-glycemic carbohydrate raises the glucose burden on nerves (whole-food carbs are not the concern). | Glucose & nerve damage (opens in a new tab) |
|---|
| Colours a day | Watch this | ●Emerging | Review / narrative | A produce-rich diet supplies antioxidants and supports the glycemic control that protects nerves. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Cook real food | Do this | ●Emerging | RCT / meta-analysis | Cooking real food supports glycemic control and reduces the refined carbs that burden nerves. | Glucose & nerve damage (opens in a new tab) |
|---|
| EPA/DHA (omega-3) | Eat enough of | ●Emerging | RCT / trial | Omega-3 fatty acids are neuroprotective and reduced incidence of chemotherapy-induced peripheral neuropathy in an RCT. | Omega-3 & peripheral neuropathy (opens in a new tab) |
|---|
| Folate (B9) | Eat enough of | ●Emerging | Review / narrative | Folate deficiency contributes to peripheral neuropathy through the homocysteine/B-vitamin pathway. | Nutritional & toxic neuropathy (opens in a new tab) |
|---|
| Movement (breaking up sitting) | Do this | ●Emerging | Review / narrative | Reducing sedentary time supports the glycemic control that protects nerves. | Diabetic neuropathy review (opens in a new tab) |
|---|
| Niacin (B3) | Eat enough of | ●Emerging | Review / narrative | Niacin deficiency (pellagra) can include peripheral neuropathy alongside dermatitis and cognitive change. | Nutritional & toxic neuropathy (opens in a new tab) |
|---|
| Saturated fat | Don't overdo | ●Emerging | Review / narrative | Dyslipidemia is an independent risk factor for peripheral neuropathy; high triglycerides track with nerve-fiber loss. | Dyslipidemia & neuropathy (opens in a new tab) |
|---|
| Selenium | Don't overdo | ●Emerging | Review / narrative | Selenium toxicity (selenosis, usually from megadose supplements) can include nerve damage. | Selenosis & nerve damage (opens in a new tab) |
|---|
| Sleep duration | Watch this | ●Emerging | RCT / trial | Neuropathic pain and poor sleep reinforce each other; short sleep worsens pain, and easing pain improves sleep. | Neuropathic pain & sleep (opens in a new tab) |
|---|
| Sleep quality (refreshed) | Watch this | ●Emerging | RCT / trial | Nerve-pain patients have fragmented, unrefreshing sleep; better sleep quality helps pain and function. | Neuropathic pain & sleep (opens in a new tab) |
|---|
| Supplement discipline | Do this | ●Emerging | Systematic review | Sensible supplementing matters here: too little B12 or too much B6 both damage nerves, so keep B6 supplements low and check B12. | Vitamin B6 & neuropathy (opens in a new tab) |
|---|
| Vitamin D | Eat enough of | ●Emerging | Cohort / observational | Vitamin D deficiency is common in diabetic peripheral neuropathy and associated with more severe, subclinical nerve dysfunction. | Vitamin D & diabetic neuropathy (opens in a new tab) |
|---|
| Breath/mind (slow breathing) | Do this | ●●●Strong | Systematic review | Slow paced breathing (~6/min) lowers perceived stress and anxiety and shifts autonomic balance toward parasympathetic tone. | Zaccaro et al. 2018; slow-breathing reviews (opens in a new tab) |
|---|
| Breath/mind (slow breathing) | Do this | ●●●Strong | RCT / meta-analysis | Slow paced breathing (~6/min) lowers perceived stress and anxiety and shifts autonomic balance toward parasympathetic tone. | "Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and meta-analysis", Neurosci Biobehav Rev 2022 (opens in a new tab) |
|---|
| Cardio (moderate + intervals) | Do this | ●●●Strong | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and perceived stress in adults with psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
|---|
| Loneliness — reduce | Watch this | ●●●Strong | RCT / meta-analysis | Loneliness is moderately associated with stress, anxiety and depression; stronger ties buffer the stress response. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●●Strong | RCT / meta-analysis | Quitting smoking reduces stress (SMD -0.27); guideline bodies establish smoking as harmful to mental health and officially debunk the "relieves stress" belief (withdrawal relief misattributed). | Taylor et al. 2014, BMJ (opens in a new tab) |
|---|
| Tobacco / vaping — quit | Do this | ●●●Strong | RCT / meta-analysis | Quitting smoking reduces stress (SMD -0.27); guideline bodies establish smoking as harmful to mental health and officially debunk the "relieves stress" belief (withdrawal relief misattributed). | Change in mental health after smoking cessation: systematic review and meta-analysis, BMJ 2014 (opens in a new tab) |
|---|
| Added Sugars | Don't overdo | ●●Moderate | RCT / meta-analysis | High added-sugar/ultra-processed intake associates with greater stress and mental-disorder symptoms. | Lane et al. 2022 (opens in a new tab) |
|---|
| Alcohol — cut back | Do this | ●●Moderate | RCT / meta-analysis | Alcohol disrupts HPA-axis cortisol recovery after stress; self-medication with alcohol worsens stress regulation. | Weckesser et al. 2025, Transl Psychiatry (opens in a new tab) |
|---|
| Anchor foods | Watch this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater perceived stress and common mental-disorder symptoms; whole-food patterns are protective. | Lane et al. 2022 (ultra-processed food & mental health) (opens in a new tab) |
|---|
| Belonging (groups / third place) | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with stress, anxiety and depression; stronger ties buffer the stress response. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
|---|
| Breathing rate | Watch this | ●●Moderate | Systematic review | Slow paced breathing (~6/min) lowers perceived stress and anxiety and shifts autonomic balance toward parasympathetic tone. | Zaccaro et al. 2018; slow-breathing reviews (opens in a new tab) |
|---|
| Breathing rate | Watch this | ●●Moderate | RCT / meta-analysis | Slow paced breathing (~6/min) lowers perceived stress and anxiety and shifts autonomic balance toward parasympathetic tone. | "Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and meta-analysis", Neurosci Biobehav Rev 2022 (opens in a new tab) |
|---|
| Caffeine — mind amount & timing | Do this | ●●Moderate | RCT / meta-analysis | Higher caffeine intake raises anxiety risk dose-dependently; habitual use heightens cortisol reactivity to stress. | Caffeine–anxiety meta-analysis (Front. Psychol. 2024) (opens in a new tab) |
|---|
| Calm rest space | Do this | ●●Moderate | RCT / meta-analysis | Greenspace / restorative-environment exposure lowers salivary cortisol and self-reported stress. | Twohig-Bennett & Jones 2018, Environ Res (opens in a new tab) |
|---|
| Colours a day | Watch this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater perceived stress and common mental-disorder symptoms; whole-food patterns are protective. | Lane et al. 2022 (ultra-processed food & mental health) (opens in a new tab) |
|---|
| Daily movement baseline | Do this | ●●Moderate | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and perceived stress in adults with psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
|---|
| EPA/DHA (omega-3) | Eat enough of | ●●Moderate | RCT / meta-analysis | Marine omega-3 (EPA/DHA, ~2 g/d) moderately reduces anxiety symptoms (low GRADE certainty). | Bafkar et al. 2024 (opens in a new tab) |
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| Flexibility (stretching) | Do this | ●●Moderate | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and perceived stress in adults with psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
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| Inner circle (close ties) | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with stress, anxiety and depression; stronger ties buffer the stress response. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
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| Magnesium | Eat enough of | ●●Moderate | Systematic review | Magnesium attenuates HPA-axis activity (lowers ACTH and cortisol); benefits subjective anxiety and stress. | Boyle, Lawton & Dye 2017, Nutrients (opens in a new tab) |
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| Morning daylight | Do this | ●●Moderate | Systematic review | Morning bright light entrains a healthy cortisol rhythm; morning bright-light therapy has RCT efficacy for mood. | Light & HPA-axis rhythms review 2023, Life (MDPI) (opens in a new tab) |
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| Screens before bed — cut back | Do this | ●●Moderate | RCT / meta-analysis | Problematic smartphone use is associated with higher perceived stress (OR 1.86), anxiety and poorer sleep. | Sohn et al. 2019, BMC Psychiatry (opens in a new tab) |
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| Sleep duration | Watch this | ●●Moderate | RCT / trial | Sleep loss raises basal cortisol and heightens stress reactivity and amygdala response, making stress harder to regulate. | Sleep deprivation & stress vulnerability (opens in a new tab) |
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| Sleep duration | Watch this | ●●Moderate | RCT / meta-analysis | Sleep loss raises basal cortisol and heightens stress reactivity and amygdala response, making stress harder to regulate. | "The effect of acute sleep deprivation on cortisol level: a systematic review and meta-analysis", Endocr J 2024 (opens in a new tab) |
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| Sleep hygiene - Wind-down | Do this | ●●Moderate | RCT / meta-analysis | Poor sleep and elevated stress are bidirectionally linked; better sleep associates with lower cortisol. | De Nys et al. 2022 (physical activity, cortisol & sleep) (opens in a new tab) |
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| Sleep quality (refreshed) | Watch this | ●●Moderate | Established clinical | Poor sleep quality amplifies amygdala reactivity and perceived stress; good-quality sleep buffers stress sensitivity. | Sleep quality & amygdala/perceived stress (opens in a new tab) |
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| Staying in touch (social reps) | Do this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with stress, anxiety and depression; stronger ties buffer the stress response. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
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| Strength (resistance) | Do this | ●●Moderate | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and perceived stress in adults with psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
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| Sugary drinks & snacks — cut back | Do this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater perceived stress and common mental-disorder symptoms; whole-food patterns are protective. | Lane et al. 2022 (ultra-processed food & mental health) (opens in a new tab) |
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| Toxic relationships — reduce | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with stress, anxiety and depression; stronger ties buffer the stress response. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
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| Ultra-processed food — cut back | Do this | ●●Moderate | RCT / meta-analysis | Higher ultra-processed intake is associated with greater perceived stress and common mental-disorder symptoms; whole-food patterns are protective. | Lane et al. 2022 (ultra-processed food & mental health) (opens in a new tab) |
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| Vitamin B6 | Eat enough of | ●●Moderate | RCT / trial | Vitamin B6 added to magnesium significantly reduced severe stress in an RCT, enhancing magnesium’s effect. | Magne-B6 RCT (Pouteau et al. 2018) (opens in a new tab) |
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| Warmth & quality of ties | Watch this | ●●Moderate | RCT / meta-analysis | Loneliness is moderately associated with stress, anxiety and depression; stronger ties buffer the stress response. | Gabarrell-Pascuet et al. 2023 (opens in a new tab) |
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| Biotin (B7) | Eat enough of | ●Emerging | Systematic review | Higher dietary B-vitamin intake, especially biotin, is associated with lower stress symptoms. | B-vitamins/EFA/mineral stress review (McCabe et al. 2017) (opens in a new tab) |
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| Cook real food | Do this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater perceived stress and common mental-disorder symptoms; whole-food patterns are protective. | Lane et al. 2022 (ultra-processed food & mental health) (opens in a new tab) |
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| Folate (B9) | Eat enough of | ●Emerging | RCT / meta-analysis | B-vitamin supplementation (>=3 B-group incl. B6/B12/folate) produces a small but significant reduction in stress (SMD 0.23). | Young et al. 2019, Nutrients (opens in a new tab) |
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| Movement (breaking up sitting) | Do this | ●Emerging | RCT / meta-analysis | Regular aerobic and mind-body exercise lowers cortisol and perceived stress in adults with psychological distress. | Exercise & cortisol network meta-analysis 2025 (opens in a new tab) |
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| Pantothenic acid (B5) | Eat enough of | ●Emerging | RCT / trial | Pantothenic acid supports adrenal cortisol synthesis; part of the B-complex shown to lower psychological stress. | High-dose B-multivitamin stress RCT (Ford et al.) (opens in a new tab) |
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| Sleep hygiene - Bedroom | Do this | ●Emerging | RCT / meta-analysis | Poor sleep and elevated stress are bidirectionally linked; better sleep associates with lower cortisol. | De Nys et al. 2022 (physical activity, cortisol & sleep) (opens in a new tab) |
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| Sleep hygiene - Clock & light | Do this | ●Emerging | RCT / meta-analysis | Poor sleep and elevated stress are bidirectionally linked; better sleep associates with lower cortisol. | De Nys et al. 2022 (physical activity, cortisol & sleep) (opens in a new tab) |
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| Sleep hygiene - Intake & timing | Do this | ●Emerging | RCT / meta-analysis | Poor sleep and elevated stress are bidirectionally linked; better sleep associates with lower cortisol. | De Nys et al. 2022 (physical activity, cortisol & sleep) (opens in a new tab) |
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| Sodium | Don't overdo | ●Emerging | Cohort / observational | High dietary salt intake activates the HPA axis and raises cortisol excretion, amplifying the stress response. | High-salt & HPA-axis 2023, Cardiovasc Res (opens in a new tab) |
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| Thiamin (B1) | Eat enough of | ●Emerging | RCT / trial | Thiamin supports nervous-system energy metabolism; part of the B-complex shown to reduce psychological stress. | High-dose B-multivitamin stress RCT (Ford et al.) (opens in a new tab) |
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| Vitamin B12 | Eat enough of | ●Emerging | RCT / meta-analysis | B-vitamin supplementation (>=3 B-group incl. B6/B12/folate) produces a small but significant reduction in stress (SMD 0.23). | Young et al. 2019, Nutrients (opens in a new tab) |
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| Vitamin C | Eat enough of | ●Emerging | Review / narrative | Vitamin C reduced anxiety in an RCT; high-dose vitamin C lowered blood pressure, cortisol and subjective stress responses. | de Oliveira et al. 2015; Brody et al. 2002 (opens in a new tab) |
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| Vitamin C | Eat enough of | ●Emerging | RCT / trial | Vitamin C reduced anxiety in an RCT; high-dose vitamin C lowered blood pressure, cortisol and subjective stress responses. | Brody et al., "A randomized controlled trial of high dose ascorbic acid for reduction of blood pressure, cortisol, and subjective responses to psychological stress", Psychopharmacology 2002 (opens in a new tab) |
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| Vitamin D | Eat enough of | ●Emerging | RCT / meta-analysis | Vitamin D supplementation reduces negative emotions (depression/anxiety); benefit greatest in those deficient. | Cheng, Huang & Huang 2020, Depress Anxiety (opens in a new tab) |
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| Water / hydration | Do this | ●Emerging | RCT / meta-analysis | Higher ultra-processed intake is associated with greater perceived stress and common mental-disorder symptoms; whole-food patterns are protective. | Lane et al. 2022 (ultra-processed food & mental health) (opens in a new tab) |
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| Zinc | Eat enough of | ●Emerging | Systematic review | Zinc is part of the reviewed mineral battery for stress; it supports HPA-axis and GABAergic regulation. | EFA/B-vitamin/mineral stress review (McCabe et al. 2017) (opens in a new tab) |
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| Breath/mind (slow breathing) | Do this | ●●●Strong | RCT / trial | Diaphragmatic slow-breathing and relaxation biofeedback reduced tinnitus handicap; slow breathing calms the sympathetic arousal that amplifies tinnitus. | Breathing/relaxation biofeedback & tinnitus (opens in a new tab) |
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| BMI | Watch this | ●●Moderate | Cohort / observational | High BMI is a risk factor for tinnitus, likely via impaired cochlear blood flow. | Tinnitus & cardiovascular risk (opens in a new tab) |
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| Sleep duration | Watch this | ●●Moderate | Cohort / observational | Tinnitus is strongly linked to sleep disturbance (about double the odds); short sleep and tinnitus reinforce each other. | Tinnitus & sleep (opens in a new tab) |
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| Sleep quality (refreshed) | Watch this | ●●Moderate | Cohort / observational | Reduced sleep quality is consistently associated with bothersome tinnitus. | Tinnitus & sleep quality (opens in a new tab) |
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| Tobacco / vaping — quit | Do this | ●●Moderate | Cohort / observational | Smoking is an established risk factor for tinnitus (vascular and ototoxic effects). | Tinnitus & cardiovascular risk (opens in a new tab) |
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| Vitamin B12 | Eat enough of | ●●Moderate | Review / narrative | Higher vitamin B12 intake is associated with lower tinnitus odds; deficiency can demyelinate auditory nerve fibers. | Diet & tinnitus (opens in a new tab) |
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| Zinc | Eat enough of | ●●Moderate | Cohort / observational | Lower zinc intake was linked to a 44% higher 10-year tinnitus incidence; the cochlea concentrates zinc. | Zinc & tinnitus incidence (opens in a new tab) |
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| Added Sugars | Don't overdo | ●Emerging | Review / narrative | Blood-sugar swings from sugary foods may aggravate tinnitus through metabolic and vascular effects - emerging. | Blood sugar & tinnitus (opens in a new tab) |
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| Alcohol — cut back | Do this | ●Emerging | Cohort / observational | Alcohol shows mixed effects; men with bothersome tinnitus report higher intake - emerging. | Tinnitus risk factors & comorbidities (opens in a new tab) |
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| Anchor foods | Watch this | ●Emerging | Review / narrative | Fish and a Mediterranean-style pattern are linked to lower tinnitus (though fish-oil supplements are not) - emerging. | Diet & tinnitus (opens in a new tab) |
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| Body Roundness Index | Watch this | ●Emerging | Cohort / observational | Body-shape measures of central fat flag the metabolic risk associated with tinnitus - emerging. | Tinnitus & cardiovascular risk (opens in a new tab) |
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| Calcium | Don't overdo | ●Emerging | Review / narrative | Higher calcium intake was associated with higher tinnitus odds in cohort data - counterintuitive and emerging. | Diet & tinnitus (opens in a new tab) |
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| Cardio (moderate + intervals) | Do this | ●Emerging | Cohort / observational | In people with tinnitus, more physical activity is linked to better sleep and cochlear blood flow - emerging. | Physical activity, diet & tinnitus sleep (opens in a new tab) |
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| Colours a day | Watch this | ●Emerging | Review / narrative | Produce-rich, antioxidant intake may protect the auditory system - emerging. | Diet & tinnitus (opens in a new tab) |
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| Daily movement baseline | Do this | ●Emerging | Cohort / observational | Higher activity is associated with less sleep disturbance in tinnitus - emerging. | Physical activity, diet & tinnitus sleep (opens in a new tab) |
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| Folate (B9) | Eat enough of | ●Emerging | Review / narrative | Folate supports nerve health and circulation relevant to the auditory system - emerging. | Diet & tinnitus (opens in a new tab) |
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| Iron | Eat enough of | ●Emerging | Cohort / observational | Lower iron intake was associated with higher tinnitus incidence, though the direction of iron effects is mixed. | Iron & tinnitus incidence (opens in a new tab) |
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| Loneliness — reduce | Watch this | ●Emerging | Review / narrative | Stress and emotional distress activate sympathetic pathways that worsen tinnitus - emerging. | Stress & tinnitus (opens in a new tab) |
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| Magnesium | Eat enough of | ●Emerging | Review / narrative | Magnesium supports inner-ear blood flow and may protect hair cells - emerging. | Diet & tinnitus (opens in a new tab) |
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| Saturated fat | Don't overdo | ●Emerging | Review / narrative | Higher fat intake has been associated with higher tinnitus odds - emerging. | Diet & tinnitus (opens in a new tab) |
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| Sleep regularity | Watch this | ●Emerging | Cohort / observational | Irregular, disturbed sleep patterns track with worse tinnitus - emerging. | Tinnitus & sleep (opens in a new tab) |
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| Sodium | Don't overdo | ●Emerging | Review / narrative | High sodium raises blood pressure and can transiently worsen tinnitus via vascular effects - emerging. | Sodium, blood pressure & tinnitus (opens in a new tab) |
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| Total Fat | Don't overdo | ●Emerging | Review / narrative | Higher total fat intake tracks with higher tinnitus odds in cohort data - emerging. | Diet & tinnitus (opens in a new tab) |
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| Ultra-processed food — cut back | Do this | ●Emerging | Review / narrative | A healthier, less-processed diet is associated with lower tinnitus incidence - emerging. | Diet & tinnitus (opens in a new tab) |
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| Vitamin B6 | Eat enough of | ●Emerging | Review / narrative | Vitamin B6 is among the micronutrients commonly recommended for tinnitus, though evidence is largely anecdotal. | Micronutrients recommended for tinnitus (opens in a new tab) |
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| Waist-to-height ratio | Watch this | ●Emerging | Cohort / observational | Central adiposity and cardiometabolic risk are associated with tinnitus - emerging. | Tinnitus & cardiovascular risk (opens in a new tab) |
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| Waist-to-hip ratio | Watch this | ●Emerging | Cohort / observational | Visceral adiposity tracks with the vascular/metabolic risk linked to tinnitus - emerging. | Tinnitus & cardiovascular risk (opens in a new tab) |
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