title: High potency cannabis is associated with tripled risk of psychosis, study indicates.
authors.affiliation: London.
authors.forename: Ingrid
authors.initials: I
authors.lastname: Torjesen
mesh_terms: D002188:Cannabis / Q000737:chemistry*; D005260:Female; D006801:Humans; D008297:Male; D008385:Marijuana Smoking / Q000009:adverse effects*; D011605:Psychoses, Substance-Induced / Q000209:etiology*; D012307:Risk Factors