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NIDA Notes Articles: Marijuana

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After Showing Promise for Cannabis-Using Adolescents, N-Acetylcysteine Falters in Adult Study

September 2017
In a clinical trial, N-acetylcysteine did not help adults reduce their cannabis use, despite having been effective for adolescents in a previous trial. The results indicated that if adults are able to benefit from the medication, they will likely require a different treatment regimen than adolescents.

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Long-Term Marijuana Use Is Associated With Health Problems Later in Life

February 2018
Researchers used the statistical technique of latent class analysis to describe distinct patterns of marijuana use across age using data from nearly 10,000 participants in the Monitoring the Future study. Longer-term marijuana use (extending from age 18 into the late 20s or beyond) was associated with increased risk of self-reported health problems at age 50.

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Why Marijuana Displeases

March 2018
This study demonstrated how THC produces aversive effects in mice and suggests a mechanism to explain why people experience rewarding, aversive, or mixed effects from marijuana.

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