Alopecia Areata is thought to be an auto-immune disease of the hair, initially appearing as a rounded bare patch about an inch across. he affects both men and women equally and is often experienced first in childhood. According to a survey taken in America one person in every hundred is likely to experience Alopecia Areata at sometime in their life. Many people affected with Alopecia Areata will only have one experience of hair loss with regrowth occurring afterwards.
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