Drug dependency. Investigations of stimulants and depressants.
D000661:Amphetamine; D000928:Antidepressive Agents; D002188:Cannabis; D002490:Central Nervous System / Q000187:drug effects; D006213:Hallucinogens; D006801:Humans; D006993:Hypnotics and Sedatives; D008517:Phytotherapy; D011603:Psychophysiology; D012890:Sleep; D013375:Substance Withdrawal Syndrome; D019966:Substance-Related Disorders; D014149:Tranquilizing Agents
D000928:Antidepressive Agents; D006213:Hallucinogens; D006993:Hypnotics and Sedatives; D014149:Tranquilizing Agents; D000661:Amphetamine