JAMA study on youth cannabis use is retracted, replaced

Source: Cannabis Wire

Mar 18, 2022 | Research

In September, a widely-covered study published in JAMA Network Open found that youth use declined after the passage of medical and adult use cannabis laws. But methodological concerns raised by researchers regarding the use of pooled and unweighted data from a national survey prompted a new data analysis, which made the declines in youth use no longer “statistically significant.” In light of these changes, the journal published a “Notice of Retraction and Replacement.”


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