Study: Teen use of marijuana drops in states where it is legal
Using data from national and state Youth Risk Behavior Surveys from 1993 to 2017, researchers from Montana State University, University of Oregon, University of Colorado–Denver and San Diego State University examined states that had legalized marijuana for recreational or medical use and the likelihood of marijuana use in the past 30 days among high school students. The study used data from 27 states and the District of Columbia, where medical marijuana has been legalized, and seven states where recreational marijuana has been legalized during the 25-year time period.
"There was no evidence that the legalization of medical marijuana encourages marijuana use among youth," and "marijuana use among youth may actually decline after legalization for recreational purposes," the study, published in JAMA Pediatrics on Monday, said.
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