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The prevalence of marijuana use has doubled in the past decade. One in eight US adults now reports use of marijuana in the past year. 1 Despite increasing use, our understanding of the risks and benefits of marijuana use is limited. 1 , 2 , 3 The National Academy of Sciences, editorials, and numerous systematic reviews have called for more research. 1 , 2 , 3 Despite concerns within the scientific community, only 33% of the public perceive “great risk” from weekly marijuana use compared to 50% in 2002. 1 The public appears to believe that recreational marijuana use is safe and even has health benefits. 1
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Abraham et al. (2018) studied this question.
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