The Healthspan Map · Social (Ch5)
Toxic relationships, reduce
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 | 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) |
| Chronic fatigue / low energy | Watch this | Moderate | Cohort / observational | Chronic interpersonal stress feeds the same psychosocial-stress pathway that drives fatigue, pain and low mood. | Loneliness/psychosocial-stress & fatigue study (HRS) (opens in a new tab) |
| Depression / low mood | 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) |
| High blood pressure | Watch this | Emerging | Review / narrative | Chronic relationship conflict and hostility raise blood-pressure reactivity and worsen control through sustained stress. | Social stress & CVD/BP (opens in a new tab) |
| Respiratory infections & airway health | Watch this | Emerging | Cohort / observational | Interpersonal/social stress promotes glucocorticoid resistance in macrophages, increasing susceptibility. | Pittsburgh common-cold studies (Cohen 2005) (opens in a new tab) |
| Stress | 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) |
| Weak immunity & chronic inflammation | Watch this | Emerging | Review / narrative | Chronic conflict and hostile relationships elevate inflammatory signalling. | Chronic social stress & IL-6 (opens in a new tab) |
The Healthspan Map is part of Fix the Floor, a book by Aamir Malik. About the book