A report published last fall claiming that an estimated three in ten consumers of cannabis suffer from a ‘use disorder’ has been dismissed in a new study published in JAMA Psychiatry.
Investigators at the Washington School of Medicine in St. Louis assessed trends in marijuana use and the prevalence of marijuana use disorders during the years 2002 to 2013. Researchers determined that the self-reported use of cannabis by adults increased an estimated 19 percent, but that reports of cannabis-related problems actually declined during this same period.
“We’re certainly seeing some increases in marijuana use,” the lead researcher of the new study said. “But our survey didn’t notice any increase in marijuana-related problems. Certainly, some people are having problems so we should remain vigilant, but the sky is not falling.”
Separate evaluations of self-reported marijuana use by young people have determined that rates of cannabis use by high-school students is significantly lower today than it was 15 years ago.
Full text of the study, Recent Trends in the Prevalence of Marijuana Use and Associated Disorders in the United States, appears online in JAMA Psychiatry here.
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