Alopecia areata - Definition

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Alopecia areata is a skin disease specifically affecting the body's hair follicles. The principal symptom is well-defined round bald patches, which can be accompanied by hair loss on other parts of the body, in which case it is called alopecia universalis. The underlying cause of alopecia is yet unknown. It can often cure itself after a few months when hair starts to grow back, but unpredicted relapses are possible. The main complaint is esthetic in nature and can provoke psychological problems that can be treated by a psychologist.