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NIDA Notes Articles: Marijuana

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Drugs Contribute to High Rates of Sexually Transmitted Diseases Among Juvenile Offenders

July 2011

Describe a study of newly arrested youths where researchers found correlations between the youths' prevalence of these sexually transmitted diseases and their cocaine and marijuana use.

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Early-Onset, Regular Cannabis Use Is Linked to IQ Decline

August 2013

Regular cannabis use that starts in adolescence strips away IQ, a NIDA-supported study suggests. Participants who initiated weekly cannabis use before age 18 dropped IQ points in proportion to how long they persisted in using the drug. Persistent cannabis users’ cognitive difficulties were evident to friends and family and measurable on a battery of tests.

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Elevated Rates of Drug Abuse Continue for Second Year

June 2012

Illicit drug use in the United States in 2010 was at its highest level since 2002, according to the most recent report from the National Survey on Drug Use and Health. A rise in marijuana use drove the increase. A favorable trend of falling cocaine use continued.

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Fewer Young Adults Abuse Cocaine and Methamphetamine, National Survey Finds

December 2008

Reports prevalence rates of illicit drug abuse among youths and young adults based on 2007 data from a national survey of drug use and health.

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Gabapentin Tested To Treat Marijuana Dependence

April 2013

Marijuana-dependent outpatients who were treated with the medication gabapentin in a pilot clinical trial reduced their cannabis use more and reported fewer symptoms of drug withdrawal than patients who received a placebo.

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High Rates of Illegal Drug Use Among Alcohol-Dependent Adults

July 2011
Highlights data on the prevalence of rates of illegal drug use and nonmedical use of prescription drugs among adults dependant on alcohol, as compared with the general population.

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In Nationwide Survey, More Students Use Marijuana, Fewer Use Other Drugs

April 2014

Almost one-third (32 percent) of the roughly 42,000 Monitoring the Future survey respondents reported having used marijuana during their lifetime. However, abuse of many other drugs—methamphetamine, heroin, cocaine, and some prescription medications—declined.

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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.

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Intervention for Disruptive Children Shows Long-Term Benefits

October 2009

Reports on research providing evidence that teaching aggressive youngsters social coping skills reduces their chances of becoming substance abusers.

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Intervention Strengthens American Indian Teen Mothers’ Parenting

February 2014

Teen mothers on three American Indian reservations improved on several measures of parenting after participating in Family Spirit, a home-visiting intervention developed with NIDA support. At 12 months postpartum, the women’s children exhibited reduced rates of emotional difficulties predicting later drug abuse and other behavioral problems. Infants at highest risk—those whose mothers had histories of drug abuse—benefited the most.

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