The Science of Sustainability

Tag: Obsessive Compulsive and Related Disorders

Is Nail Biting a Pathology? Or Just a Bad Habit?

Is Nail Biting a Pathology? Or Just a Bad Habit?

Nail biting — like skin picking and hair tending — stems from an evolutionarily adaptive behavior: grooming. But in "pathological groomers," as they're known in in the world of psychiatry, that healthy urge goes haywire.

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