March 2008 Describes the work of researchers who have found a statistical link between one region on chromosome 17 and an increased risk of opioid dependence.
Discusses the role of epigenetics, the study of cellular mechanisms that control gene expression and its impacts on health and behavior, in addiction research.
Reports on the research underway to identify gene variations associated with nicotine addiction and the interaction of genetic makeup, experiences, and surroundings to addiction.