Trichotillomania refers to an impulse-control disorder involving the compulsive, persistent urge to pull out one's own hair. In Trichotillomania, the individual has a strong urge
t o pull out his/her own hair from anywhere on the body, including the scalp, eyebrows, and arm.
Other /More definition:
trichotillomania refers to people’s urge to pull out their own hair from anywhere on the body, including the scalp, eyebrows, and arm.

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