title: Study strengthens evidence that early marijuana use increases risk of psychosis.
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000150:complications* / Q000523:psychology*; D011605:Psychoses, Substance-Induced / Q000209:etiology*; D012306:Risk; D055815:Young Adult