Genetic and environmental influences on illicit drug use and tobacco use across birth cohorts.

@article{Kendler2005GeneticAE,
  title={Genetic and environmental influences on illicit drug use and tobacco use across birth cohorts.},
  author={Kenneth S. Kendler and Charles O. Gardner and Kristen C. Jacobson and Michael C. Neale and Carol A Prescott},
  journal={Psychological medicine},
  year={2005},
  volume={35 9},
  pages={1349-56}
}
BACKGROUND The prevalence of use of many psychoactive substances has changed considerably in recent years. While genetic factors impact on overall risk for substance use, we know little about whether the etiological importance of these factors differs across birth cohorts. One theory, which postulates that heritability of deviant traits increases in permissive environments, predicts a positive relationship across cohorts between prevalence and heritability of substance use. METHOD The… CONTINUE READING