Philosophical aspects of psychedelics.
D000293:Adolescent; D000328:Adult; D006213:Hallucinogens; D049671:History, 18th Century; D049673:History, 20th Century; D006801:Humans; D009014:Morals; D010684:Philosophy; D010686:Philosophy, Medical; D012068:Religion and Medicine; D012940:Social Problems; D019966:Substance-Related Disorders / Q000266:history
D006213:Hallucinogens