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Medical Marijuana Use Has Doubled In The U.S., Study From Department Of Veterans Affairs Officials

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A new study looking at data from a federally funded survey found that the prevalence of medical cannabis use more than doubled in the United States between 2013 and 2020, driven largely by state-level legalization.

The National Survey on Drug Use and Health, which has been conducted annually since 1971, added a question about medical marijuana in 2013, specifically asking whether any cannabis use within the past 12 months was recommended by a doctor. During the first year, 1.2 percent of respondents answered affirmatively. Seven years later, that figure had risen to 2.5 percent.

Authors of the study, Greg Rhee and Robert Rosenheck, both affiliated with the Yale School of Medicine’s psychiatry department and the U.S. Department of Veterans Affairs (VA) New England Mental Illness, Research, Education and Clinical Center, calculated that t