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NIDA Notes keeps you up to date on research advances in the causes, consequences, prevention, and treatment of drug abuse and addiction and HIV/AIDS.

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Disruption of Neuron Production in Adult Rats Increases Cocaine Taking (November 2011)

Drug abuse may diminish production of new neurons in the brain’s hippocampus and thereby increase vulnerability to drug addiction.

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NIDA Recognizes Developer of a New Business Model for Science (November 2011)

Dr. Redonna K. Chandler of NIDA receives the Institute's 2011 Innovator Award for developing a method that fosters collaboration and data sharing on various studies of HIV in criminal justice populations.

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Molecular Alterations of DNA Contribute to Persistence of Memory (November 2011)

In a new series of studies tracing the molecular events that occur in the brain as memories are formed and preserved, researchers find that certain epigenetic changes may promote vulnerability to relapse.

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Girls More Likely Than Boys to Use Ecstasy (November 2011)

Lifetime ecstasy use is more prevalent among adolescent girls than among adolescent boys, according to an analysis of 2002–2008 data from the National Survey on Drug Use and Health.

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Resting Brain Studies Shed New Light on Vulnerabilities (November 2011)

Individuals with weak signaling in a nicotine-sensitive brain circuit were more vulnerable to nicotine dependence than those with stronger signaling, according to a study conducted while the subjects’ brains were in a resting state. A second resting-state study finds that the same circuit appears to mediate dependence associated with a genetic risk factor for smoking.

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Neuropeptide Promotes Behaviors Tied to Addiction and Overeating (July 2011)

Reports on several studies implicating a certain neuropeptide (a signaling molecule) in fostering addition and overeating and discusses implications for addiction treatment.

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Medication Reduces Rats' Return to Methamphetamine Seeking (July 2011)

Reports on a new medication strategy under investigated in animal studies that shows promise for preventing relapse to drug abuse.

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Office Meets Dynamic Challenges of Diversity (July 2011)

Describes NIDA’s Special Populations Office which promotes addiction science that examines health disparities and foster research careers among members of underrepresented communities.

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Intensive Interventions Reduce Risky Sexual Behaviors (July 2011)

Discusses research that compares multiple sessions of motivational and behavioral training with that of a single intervention among male and female substance abusers to reduce high-risk sexual behaviors.

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Grantee Wins Early Career Award (July 2011)

Announces the 2010 Presidential Early Career Award for Scientists and Engineers to Dr. Mauricio R. Delgado for his work with functional magnetic resonance imaging to investigate how the human brain learns from experiences.

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