title: Regular marijuana use and its effect on psychosocial variables: a longitudinal study.
mesh_terms: D000293:Adolescent; D000328:Adult; D003415:Crime; D004522:Educational Status; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D002189:Marijuana Abuse / Q000523:psychology*; D011247:Pregnancy; D012923:Social Class