Common Genetic Vulnerability for Nicotine and Alcohol Dependence in Men

作者: William R. True , Hong Xian , Jeffrey F. Scherrer , Pamela A. F. Madden , Kathleen K. Bucholz

DOI: 10.1001/ARCHPSYC.56.7.655

关键词:

摘要: Results: The heritability of nicotine dependence was 60.3% (95% confidence interval [CI], 55.4%-65.2%); that alcohol dependence, 55.1% CI, 49.7%-60.5%). best-fitting model for the co-occurrence lifetime and included a substantial genetic correlation between both disorders (r = 0.68; 95% 0.61-0.74) modest unique environmental 0.23; 0.14-0.32). Conclusions: These data suggest common vulnerability to in men. This influence may partially explain clinical epidemiological observations alcoholics are often dependent smokers.

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