Article
Exploring the relationship between genetic and environmental influences on initiation and progression of substance use.
Addiction (Abingdon, England) - 1 Mar 2007
Fowler Tom, Lifford Kate, Shelton Katherine, Rice Frances, Thapar Anita, Neale Michael C, McBride Andrew, van den Bree Marianne B M
Abstract excerpt
AIMS: To examine the genetic and environmental contributions to the initiation of use and progression to more serious use of alcohol, cigarettes and marijuana during adolescence, and to examine the relationship between initiation and progression of substance use. DESIGN: The study used a twin-based design and a new theoretical model, the causal-common-contingent (CCC) model. This allows modelling of the...
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