home / health/ mental health / using cannabis and tobacco together increases by three times the risk of developing psychotic disorders like schizophrenia among those considered high risk S sr_local 8d Using cannabis and tobacco together increases by three times the risk of developing psychotic disorders like schizophrenia among those considered high risk r/all • news.vumc.org/2026/05/12/cannabis-and-tobacco-co-use-increases-psychosis-chances-in-high-risk-cohorts-study/ Mental HealthPhotographyTennesseeUnited StatesHealthWorldCulture