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State Cannabis Legalization and Psychosis-Related Health Care Utilization

Objective  To evaluate the association of state medical and recreational cannabis laws and commercialization with rates of psychosis-related health care utilization.

Main Outcomes and Measures  Outcomes were rates of psychosis-related diagnoses and prescribed antipsychotics.

Conclusions and Relevance  In this retrospective cohort study of commercial and Medicare Advantage claims data, state medical and recreational cannabis policies were not associated with a statistically significant increase in rates of psychosis-related health outcomes. As states continue to introduce new cannabis policies, continued evaluation of psychosis as a potential consequence of state cannabis legalization may be informative.


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