Article
Changing environmental influences on substance use across development.
Twin research and human genetics : the official journal of the International Society for Twin Studies - 1 Apr 2007
Dick Danielle M, Pagan Jason L, Viken Richard, Purcell Shaun, Kaprio Jaakko, Pulkkinen Lea, Rose Richard J
Abstract excerpt
In contrast to many phenotypes that have been studied using twin designs, substance use shows considerable evidence of environmental influence. Accordingly, specifying the relevant environments and understanding the nature of their effects is an important research priority. Twin studies also have demonstrated that the importance of genetic and environmental influences varies across development for a variety of...
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