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Article

Investigating the familiality of trichotillomania and excoriation disorder.

Psychiatry research - 1 Aug 2025

Chen Doris, Farhat Luis C, Lebowitz Eli R, Silverman Wendy K, Bloch Michael H, Fernandez Thomas V, Olfson Emily

Abstract excerpt

Trichotillomania (TTM) and excoriation disorder (ED) run in families and are thought to have shared etiological underpinnings. Only a few small studies have compared the family history of individuals with TTM, ED, and both conditions. To better understand shared predispositions, we examined self-reported family history of mental health disorders using cross-sectional survey responses from a genetics study of...

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Identifiers

PMID: 40449230
DOI: 10.1016/j.psychres.2025.116560
PMCID: PMC12179820

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