Do you really know? Does being happy make us less likely to get sick?
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Apr 1, 2026 They explore how chronic stress and high cortisol harm the immune system and sleep. The show outlines signs of a weakened immune system and links better mental health to lower chronic disease risk. Research on psychotherapy reducing sickness absence is highlighted. It also warns that happiness helps but does not cancel out unhealthy habits or cure serious illnesses.
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Stress Hormone Cortisol Bridges Mind And Immunity
- Chronic stress, anxiety and depression weaken immunity primarily via elevated cortisol levels.
- High cortisol disrupts sleep and undermines immune function, linking mental state directly to physical vulnerability to infections.
Happiness Supports Resilience Not Cure
- Being happy improves health by creating a more settled emotional state that supports bodily resilience.
- The podcast frames happiness as a modifier of physiological stress responses rather than a direct cure.
Use Psychotherapy To Reduce Sickness Absence
- Psychotherapy can improve overall well-being and reduce sickness absence from work.
- Tervistalo found brief psychotherapy visits cut mental-health-related absence by 45% and other sickness absence by 19%.