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NIDA Notes Articles: Genetics
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Chromosome 17 Harbors Opioid Dependence Genes

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.

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Epigenetics: The Promise of a New Science

March 2008

Discusses the role of epigenetics, the study of cellular mechanisms that control gene expression and its impacts on health and behavior, in addiction research.
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Cocaine Can Mobilize Stored Dopamine

March 2008
Describes a study showing that cocaine, which increases dopamine levels, also can tap into an intracellular dopamine reserve pool.
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Genes and Smoking

April 2007

Reports on the research underway to identify gene variations associated with nicotine addiction and the interaction of genetic makeup, experiences, and surroundings to addiction.

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