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J Genet. 2012 Aug;91(2):259-62.

The genetic factors influencing the development of trichotillomania.

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Nelson R. Mandela School of Medicine, University of Kwazulu-Natal, Durban, Republic of South Africa. [corrected].

Erratum in

  • J Genet. 2012 Aug;91(2):263. Chatterjee, Koushik [corrected to Chattopadhyay, Koushik].


Trichotillomania (TTM), an obsessive-compulsive spectrum disorder (OCSD), is a psychiatric condition characterized by repetitive hair pulling. Evidence from family and twin studies suggest a heritable link of TTM. Functional polymorphisms in genes involved in neuronal pathways might influence the susceptibility to TTM. This review is an attempt to compile the genetic factors reported to modify the development of TTM.

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