title: Possible causes and consequences of reduced perceptions of the risks of using cannabis.
authors: Center for Youth Substance Abuse Research, University of Queensland , Herston , Australia.
authors: Wayne
authors: W
authors: Hall
authors: Katherine
authors: K
authors: Morley
mesh_terms: D055030:Drug Users / Q000523:psychology*; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000523:psychology*; D008385:Marijuana Smoking / Q000523:psychology*; D010465:Perception