A genomic study of trichotillomania and excoriation disorder in families
Samantha R. Greenspun, Isabella Milanes, Luís C. Farhat, Sarah B. Abdallah, Diana D. Bok, Doris Chen, Wenzhong Liu, Enock Teefe, Michael H. Bloch, Thomas V. Fernandez, Emily Olfson
This study investigates the genetic architecture of trichotillomania and excoriation disorder using genome-wide array data from 110 families, finding significant polygenic risk for OCD and rare CNVs in neurodevelopmental genes.
Translational Psychiatry · Jun 19, 2026Peer-reviewedGenetic & Genomic Medicine