Marijuana Use Doubles to Nearly 10% in U.S. Adults

By Lennon, Katie Wagner | Clinical Psychiatry News, November 2015 | Go to article overview

Marijuana Use Doubles to Nearly 10% in U.S. Adults


Lennon, Katie Wagner, Clinical Psychiatry News


FROM JAMA PSYCHIATRY

The past-year prevalence of marijuana use among U.S. adults more than doubled in 2012-2013, compared with 2001-2002. Meanwhile, the prevalence of marijuana use disorder among users decreased significantly during those periods, a study suggests.

"While many in the United States think prohibition of recreational marijuana should be ended, this study and others suggest caution and the need for public education about the potential harms in marijuana use, including the risk for addiction," wrote Deborah S. Hasin, Ph.D., of the department of psychiatry, Columbia University, New York, and her colleagues.

Their conclusions are based on responses to survey questions obtained through face-to-face interviews of 36,309 adults in 2012-2013 that were compared to those of 43,093 adults in 2001-2002. In the more recently conducted survey, past-year DSM-IV marijuana use was defined as any use, and researchers used National Institute on Alcohol Abuse and Alcoholism Alcohol Use Disorder and Associated Disabilities Interview Schedule-5 (AUDADIS-5) to determine whether survey participants had marijuana use disorder. In the older study, the researchers used the AUDADIS-IV to evaluate whether a survey participant had a marijuana use disorder and was a marijuana user. …

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