Lifestyle Factors and Androgenetic Alopecia Risk: MHALS Prospective Cohort Findings
Reading Time: < 1 minute Introduction Androgenetic alopecia (AGA), commonly known as male pattern baldness, affects approximately 50% of American men by age 50, exerting profound psychosocial impacts including diminished self-esteem and professional confidence. Predominantly driven by genetic predisposition and dihydrotestosterone (DHT)-mediated follicular miniaturization, emerging evidence implicates modifiable lifestyle factors in its pathogenesis and progression. This article synthesizes findings from the Men's Health and Aging Longitudinal Study (MHALS), a 15-year prospective cohort of 12,450 U.S. males aged 30-65 at baseline (2005-2007), drawn from diverse socioeconomic strata across 10 states. By quantifying associations between smoking, alcohol intake, and exercise with AGA incidence and severity—via the Hamilton-Norwood...


