Drug abuse.
D006213:Hallucinogens; D049671:History, 18th Century; D049690:History, Ancient; D006801:Humans; D008887:Military Medicine; D009294:Narcotics / Q000145:classification / Q000494:pharmacology; D019966:Substance-Related Disorders / Q000266:history
D006213:Hallucinogens; D009294:Narcotics