Has Legalized Cannabis Led to a Surge in Schizophrenia Cases?
February 5, 2025

(Medscape) – Canada’s legalization of cannabis has been linked to an increase in schizophrenia cases, new research shows.
Over a 16-year time period — spanning before and after legalization of cannabis for medical and recreational use — the number of new cases of schizophrenia associated with cannabis use disorder (CUD) in Ontario nearly tripled after legalization, investigators found. (Read More)