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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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Alleviation of Posttraumatic Stress Disorder May Improve Addiction Treatment (April 2012)

Women with posttraumatic stress disorder (PTSD) who abused drugs responded better to substance abuse treatment after their PTSD symptoms improved, according to a recent study, which also found that reductions in substance abuse did not ease PTSD severity

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New Method Uncovers How Internal States Influence the Living Brain to Change Behavior (March 2012)

In an innovative NIDA-funded study, published in Cell, scientists introduced a modified dopamine receptor gene into the brain of a living vinegar fly

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Nicotine Dependence Linked to Higher Rates of Mental Disorders Among Teens (March 2012)

A study of teenagers in Chicago public schools finds higher rates of psychiatric disorders among those with more symptoms of nicotine dependence.

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Peers Increase Teen Driving Risk via Heightened Reward Activity (March 2012)

Adolescent, but not adult, drivers are more likely to take risks when peers are watching, a new study suggests.

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NIDA Announces Avant-Garde Medication Development Awards (March 2012)

Dr. Thomas Kosten of Baylor College of Medicine and Dr. Peter Burkhard of the University of Connecticut are the recipients of NIDA’s 2011 Avant-Garde Awards for Innovative Medication Development Research. Dr. Kosten is developing a vaccine against methamphetamine abuse and Dr. Burkhard is developing a vaccine to counter nicotine addiction.

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In Animals, Receptor Puts Brakes on Nicotine Consumption (March 2012)

New research suggests that differences in tobacco consumption reflect, in part, differences in the functional efficacy of a specific type of receptor in a pathway of the brain. In animal studies, nicotinic acetylcholine receptors with the α5 subunit played a key role in producing aversive responses to nicotine, thereby dissuading further consumption of the drug.

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Stimulant Abusers' Regard for Future Improves With Memory Training (December 2011)

Researchers correlate stimulant abusers’ improved performance on a memory training exerc ise with reductions in delay discounting.

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Marker for Neuronal Damage Resolves a Year after Methamphetamine (December 2011)

New results extend previous findings that some methamphetamine-induced neuronal damage resolves after a year of abstinence.

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Program Helps Troubled Boys Reduce Substance Abuse (December 2011)

Chronically delinquent boys in Multidimensional Treatment Foster Care reduced their substance abuse more than boys assigned to Community Group Care.

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Substance Abuse Among Older Adults (December 2011)

Understanding and responding to drug abuse among America’s aging population becomes more urgent as a growing percentage of baby boomers enter the over-50 age bracket.

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