5-Minute Clinical Consult : Alopecia

Alopecia

Epidemiology

Age:
- Androgenic alopecia: May begin after puberty and increases in prevalence over time
Predominant sex: Male > Female

Incidence Alopecia areata: 0.1–0.2% incidence in all races

Prevalence

Androgenic alopecia:
- Men: 15% of adolescent males:
  - 50% of white men over 50 years old
- Women: 6–12% under age of 30 with up to 50% lifetime prevalence
Alopecia areata:
- 1.7% of US population

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