State Cannabis Legalization and Psychosis-Related Health Care Utilization 

JAMA Network

Psychosis has long been considered a potential consequence of cannabis use. In this retrospective cohort study, the association of state cannabis legalization with psychosis-related health care claims among some 63,680,589 privately insured individuals were investigated. There were 7,503,907 psychosis-related diagnoses and 20,799,285 prescriptions filled for antipsychotics over the study period. State medical and recreational cannabis policies were not found to be associated with a statistically significant increase in rates of psychosis-related health outcomes.

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