cortisol
Topic
A steroid hormone produced by the adrenal glands that regulates metabolism, immune response, and the body's circadian rhythm through a morning peak.
4 episodes featuring cortisol
The Diary Of A CEO with Steven Bartlett
Mitochondria expert explains how cellular energy reverses gray hair and aging
Understanding that aging and stress are governed by cellular energy allocation, rather than fixed genetics, gives us direct agency over our physical decline and longevity.
Jul 2, 2026 · 2h 43m
The Diary Of A CEO with Steven Bartlett
Dr. Stephanie Estima explains why standard fitness advice fails women
Most exercise and nutrition science is based on male data, leaving women with fitness protocols that can actively disrupt their hormones and joint health.
Jun 29, 2026 · 1h 37m
The Diary Of A CEO with Steven Bartlett
Sleep expert Matthew Walker debunks melatonin and magnesium myths
Understanding the biological mechanics of sleep helps us replace expensive, ineffective supplement routines with free, science-backed behavioral habits.
Jun 26, 2026 · 47 min
Huberman Lab Essentials
System design beats willpower when building lasting daily habits
Understanding the behavioral science of habit formation allows individuals to systematically redesign their environments for effortless personal growth.
Jan 5, 2026 · 2h 36m