What are the subjects at risk for alopecia areata?
Alopecia areata is a condition that affects men, women and children. In France, an estimated 60 to 120 000 people are affected by alopecia areata in 2007 (incidence of 0.1 to 0.2%). Total Alopecia areata affects about one in ten patients or 6650 patients (prevalence of 10.5 / 100,000-source orphanet). The risk of developing alopecia areata during a lifetime is 1.7%. But there is a familial predisposition, members of the family of an affected suffer from alopecia after three.
