Article
Genetic and environmental risk factors for illicit substance use and use disorders: Joint analysis of self and co-twin ratings.
Behavior genetics - 1 Jan 2014
Ystrom Eivind, Reichborn-Kjennerud Ted, Neale Michael C, Kendler Kenneth S
Abstract excerpt
The specificity of genetic and environmental risk factors for illicit substance use and substance use disorders (SUD) was investigated by utilizing self and co-twin reports in 1,791 male twins. There was a high rate of comorbidity between both use of, and SUD from, different classes of illicit substances. For substance use, the model that included one common genetic, one shared environmental, and one...
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