title: The use of psychoactive drugs by adults.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000928:Antidepressive Agents; D001294:Attitude to Health; D001463:Barbiturates; D011307:Drug Prescriptions; D004363:Drug Utilization; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology; D009864:Ontario; D010947:Plants, Toxic; D012111:Residence Characteristics; D012494:Sampling Studies; D012737:Sex Factors; D012907:Smoking; D019966:Substance-Related Disorders / Q000453:epidemiology; D014026:Nicotiana; D014149:Tranquilizing Agents
chemical_list: D000928:Antidepressive Agents; D001463:Barbiturates; D014149:Tranquilizing Agents