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In recent years, illegal marijuana use has risen faster in states that have legalized medical marijuana than in states without such laws, a new study finds. Although medical marijuana laws may benefit some people, changes to state laws also may have negative consequences for public health, the researchers, led by Deborah Hasin, a professor of epidemiology at Columbia University in New York City, wrote in the study. As of November 2016, a total of 28 states have passed medical marijuana laws, according to the study, published today (April 26) in the journal JAMA Psychiatry.



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Published: Sat, 29 Apr 2017 03:04:55 -0400
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