About The Study: There was no statistically significant difference in the rates of psychosis-related diagnoses or prescribed antipsychotics in states with medical or recreational cannabis policies compared with states with no such policy in this study of commercial and Medicare Advantage claims data from 2003 to 2017. As states continue to introduce new cannabis policies, continued evaluation of psychosis as a potential consequence of state cannabis legalization may be informative.
Authors: Holly Elser, M.D., Ph.D., of the Hospital of the University of Pennsylvania in Philadelphia, is the corresponding author.
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