Article
Genetic and environmental contributions to cannabis dependence in a national young adult twin sample.
Psychological medicine - 1 Feb 2002
Lynskey M T, Heath A C, Nelson E C, Bucholz K K, Madden P A F, Slutske W S, Statham D J, Martin N G
Abstract excerpt
BACKGROUND: This paper examines genetic and environmental contributions to risk of cannabis dependence. METHOD: Symptoms of cannabis dependence and measures of social, family and individual risk factors were assessed in a sample of 6265 young adult male and female Australian twins born 1964-1971. RESULTS: Symptoms of cannabis dependence were common: 11.0% of sample (15.1% of men and 7.8% of women) reported two or...
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