To the Editor Anderson et al1 claimed that data from 7 states with recreational marijuana laws (RML) supported the hypothesis that teen marijuana use decreased because “it is more difficult for teenagers to obtain marijuana as drug dealers are replaced by licensed dispensaries that require proof of age.”1 However, their conclusion is erroneous because they do not have data from 7 states following the initiation of legal commercial sales of recreational marijuana by these age-verifying stores. In fact, they only have data from 2 states following legal sales,2 and neither state saw teen use drop more than the national average.
Kamer R. Challenging the Association of Marijuana Laws With Teen Marijuana Use. JAMA Pediatr. 2020;174(1):97–98. doi:10.1001/jamapediatrics.2019.4229
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