Claim: "The National Academy of Medicine points to a significant correlation between marijuana and psychosis, schizophrenia, and other psychotic disorders, particularly in teenagers where the risk of developing schizophrenia increases three fold."
Fact-check: Yes, marijuana can increase the risk of schizophrenia
Verdict: true
Organisation: PolitiFact
Author: Haley Bemiller
Date published: 2021-03-05T00:00:00