| http://www.w3.org/ns/prov#value | - Alopecia areata is a condition that causes a person's hair to fall out. (Alopecia is the medical term for hair loss; there are various types of alopecia, including alopecia areata.)Alopecia areata is an autoimmune disease, where a person's immune system attacks the body, in this case, the hair follicles.
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