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Tlc Foundation: What Is Trichotillomania?
From an organization that is devoted to ending the suffering of hair pulling and skin picking comes excellent information on exactly what these behaviors are, support for people who suffer from them, and up-to-date information on treatment.
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Tlc Foundation: What Is Excoriation (Skin Picking) Disorder?
Read about skin picking, a poorly understood disorder which could be a stand-alone problem, or an underlying symptom of another serious illness.