Daily use of high potency cannabis is linked to increased risk of psychosis. Individuals under 25 and those with a family or personal history of mental illness should be especially cautious.

Medical Mythbusting Commentary for December 16, 2019

Is marijuana linked to psychosis, schizophrenia? It’s contentious, but doctors, feds say yes

The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study

The Health Effects of Cannabis and Cannabinoids: The Current State of Evidence and Recommendations for Research

U.S. Surgeon General’s Advisory: Marijuana Use and the Developing Brain

Insufficient evidence that medicinal cannabinoids improve mental health

Cannabinoids for the treatment of mental disorders and symptoms of mental disorders: a systematic review and meta-analysis.