Individuals who visited the ER for substance-induced psychosis had a 160% greater risk of developing a schizophrenia spectrum disorder (SSD) compared with the general population, new research shows. Three years after an initial ER visit, 18.5% of those with substance-induced psychosis were diagnosed with an SSD. Cannabis-induced psychosis was associated with the greatest risk.

Eve Bender. Substance-Induced Psychosis Tied to Schizophrenia Risk – Medscape – Oct 04, 2023 – https://www.medscape.com/viewarticle/997093