Prevalence and heritability of skin picking in an adult community sample: A twin study

  title={Prevalence and heritability of skin picking in an adult community sample: A twin study},
  author={Benedetta Monzani and Fr{\"u}hling Vesta Rijsdijk and Lynn M Cherkas and Juliette M. Harris and Nancy J. Keuthen and David Mataix-Cols},
  journal={American Journal of Medical Genetics Part B: Neuropsychiatric Genetics},
Skin‐picking disorder (SPD) is a disabling psychiatric condition that can lead to skin damage and other medical complications. Epidemiological data is scarce and its causes are unknown. The present study examined the prevalence and heritability of skin‐picking symptoms in a large sample of twins. A total of 2,518 twins completed a valid and reliable self‐report measure of skin‐picking behavior. The prevalence of clinically significant skin picking was established using empirically derived cut… 

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