title: Historical perspective.
mesh_terms: D000661:Amphetamine / Q000266:history; D002188:Cannabis / Q000266:history; D003042:Cocaine / Q000266:history; D004361:Drug Tolerance / Q000266:history; D003932:Heroin / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007194:India; D007880:Legislation, Drug / Q000266:history; D008238:Lysergic Acid Diethylamide / Q000266:history; D009892:Opium / Q000266:history; D010947:Plants, Toxic; D011605:Psychoses, Substance-Induced / Q000266:history; D011639:Public Opinion / Q000266:history; D019966:Substance-Related Disorders / Q000266:history*; D014026:Nicotiana; D014481:United States
chemical_list: D003932:Heroin; D009892:Opium; D008238:Lysergic Acid Diethylamide; D000661:Amphetamine; D003042:Cocaine