W R True
Affiliation: Saint Louis University
- Common genetic vulnerability for nicotine and alcohol dependence in menW R True
School of Public Health, St Louis University Health Sciences Center, MO, USA
Arch Gen Psychiatry 56:655-61. 1999..We examined data from male twin pairs to determine whether there are genetic or environmental influences common to nicotine and alcohol dependence, and, if so, to estimate the magnitude and correlation of these influences...
- Interrelationship of genetic and environmental influences on conduct disorder and alcohol and marijuana dependence symptomsW R True
School of Public Health, St Louis University Health Sciences Center, St, Louis, Missouri, USA
Am J Med Genet 88:391-7. 1999..While our findings suggest genes do not contribute to co-morbid conduct disorder symptoms, comparisons with other twin studies suggest that the role of genes in risk for conduct disorder remains uncertain...
- Genetic and environmental contributions to smokingW R True
St Louis University Health Sciences Center, School of Public Health, MO 63108 3342, USA
Addiction 92:1277-87. 1997..The role of heritable traits such as nicotine sensitivity should be addressed in smoking prevention and cessation efforts...
- Genetic and environmental influences on posttraumatic stress disorder, alcohol and drug dependence in twin pairsH Xian
Department of Internal Medicine, Division of General Medical Sciences, Washington University School of Medicine, St Louis, MO, USA
Drug Alcohol Depend 61:95-102. 2000..These results suggest that PTSD, AD and DD each have etiologically distinct components and also have significant genetic and unique environmental contributions in common...