NIDA Notes

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.

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.

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.

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.

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.

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.

Individual Differences in Decisionmaking Style May Predict Teen Problems (December 2011)

Reports on the relative influence of genes versus environment on adolescents’ choices that involve delayed gratification.

Financial Strain Hinders Smoking Cessation (December 2011)

Helping smokers deal with financial problems could improve their chances of staying abstinent after receiving treatment, according to a new study. Participants with the most financial strain had the least success in remaining abstinent.

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.

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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Early, Regular Cannabis Use Linked to IQ Decline

Cognitive Deficits Due to Cocaine May Be Temporary

12th Graders Report Nonmedical Use of Rx Opioids

Ex-Inmates' Friends Key to Avoiding Drug Use

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