“Alopecia areata is a complex genetic disease,” says Blaumeiser. “Many genes related to defense and immune response are at the basis. In addition, environmental factors can also trigger alopecia areata, although they are not sufficiently defined. It may be related to stress, but infections or diet can also be a factor. Patients often indicate that they are or have been under a lot of pressure, they just got a new job or they had to pass a tough exam.Genetic predisposition is always involved, but usually you don’t know why or why you get alopecia areata just now. “
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