title: Patterns of legal drug use by older Americans.
mesh_terms: D000368:Aged; D000428:Alcohol Drinking; D004358:Drug Therapy; D005260:Female; D006262:Health; D006801:Humans; D007182:Income; D008297:Male; D008875:Middle Aged; D004366:Nonprescription Drugs; D010549:Personal Satisfaction; D011584:Psychology; D011619:Psychotropic Drugs; D012646:Self Administration; D012649:Self Concept; D012651:Self Medication; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000453:epidemiology; D014481:United States
chemical_list: D004366:Nonprescription Drugs; D011619:Psychotropic Drugs