Common Causes
- Aging
- Obesity and excess abdominal fat
- Poor sleep and sleep apnea
- Chronic stress and elevated cortisol
- A sedentary lifestyle
- Certain medications
Testosterone, libido, hair, and fatigue are downstream signals of a bigger system: sleep, stress, food, movement, and body composition. Fix the system, and the signals tend to follow.
Male pattern hair loss is driven largely by DHT sensitivity in the scalp follicles — the same androgen that plays a role in prostate changes with age. Genetics set the stage; lifestyle influences the margins.