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Dopamine Imbalance in the Brain May Drive Trichotillomania

Dopamine Imbalance in the Brain May Drive Trichotillomania
health8/16/2025

A new study using SAPAP3 knockout mice sheds light on the brain mechanisms that may drive trichotillomania, or hair-pulling disorder.

Summary: A new study using SAPAP3 knockout mice sheds light on the brain mechanisms that may drive trichotillomania, or hair-pulling disorder. These mice displayed compulsive grooming, heightened aggression, and stress-sensitive behaviors, mirroring ... [8308 chars]