title: Descriptive and functional classifications of drug abusers.
mesh_terms: D000328:Adult; D001007:Anxiety / Q000188:drug therapy; D005260:Female; D006801:Humans; D013287:Illicit Drugs; D008019:Life Style; D008297:Male; D011998:Recreation; D019966:Substance-Related Disorders / Q000145:classification*
chemical_list: D013287:Illicit Drugs