The Healthspan Map · Ch3 Baseline: Vitals
Breathing rate
Compiled by Aamir Malik, PhD, Professor of Neuroengineering at Brno University of Technology, from published studies. He is a researcher, not a physician. Last updated 21 August 2026.
What this is linked to
| Condition or system | Direction | Strength | Evidence type | What was found | Source |
|---|---|---|---|---|---|
| Anxiety | 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) |
| Anxiety | 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) |
| Brain fog & memory | 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) |
| Chronic fatigue / low energy | Watch this | Emerging | Mechanistic | Disordered breathing and intermittent hypoxia during sleep flag the sleep-disordered-breathing route to daytime fatigue. | OSA daytime-sleepiness cohort (SESAR) (opens in a new tab) |
| Sleep-disordered breathing | Watch this | Emerging | Mechanistic | Disordered breathing patterns during sleep flag sleep-disordered breathing. | OSA & obesity review (PMC10876414) (opens in a new tab) |
| Stress | 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) |
| Stress | 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) |
| Respiratory | Watch this | Strong | Established clinical | Respiratory rate is the sentinel, most sensitive vital sign - its values deviate before other vitals in nearly all clinical decline. | Respiratory Rate: The Forgotten Vital Sign (Joint Commission Journal 2018) (opens in a new tab) |
| Respiratory | Watch this | Strong | Established clinical | Abnormal respiratory rate predicts clinical deterioration and mortality; very high rates (>35/min) predict imminent life-threatening events. | Aglen et al., Acta Anaesthesiol Scand 2025 (scoping review) (opens in a new tab) |
| Neurological & Mental Health | Watch this | Emerging | Established clinical | Respiratory rate is often the first vital sign to change with a shift in cardiac or neurological state. | Vital-signs assessment guide (opens in a new tab) |
The Healthspan Map is part of Fix the Floor, a book by Aamir Malik. About the book