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NIDA

Adults

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

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.

Elevated Rates of Drug Abuse Continue for Second Year

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.

Depot Naltrexone Appears Safe and Effective for Heroin Addiction

Presents results of a pilot study to investigate the safety and efficacy of a new long-lasting injectable formulation of naltrexone to treat of heroin addiction in an outpatient setting.

Study Finds Withdrawal No Easier With Ultrarapid Opiate Detox

Presents findings from a clinical trial comparing ultrarapid, anesthesia-assisted detoxification with detoxification by traditional methods among patients addicted to heroin.
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