"Substance-Related Disorders." . . . . "Hallucinogens." . . . . . . . . . . . . . "Explains signs of the use and abuse of hallucinogenic drugs; describes the pharmacological effects of these substances of the body, including behavioral effects; and explains the short and long-term dangers of abusing hallucinogens."@en . . . . . "Explains signs of the use and abuse of hallucinogenic drugs; describes the pharmacological effects of these substances on the body, including behavioral effects; and explains the short- and long-term dangers of abusing hallucinogens."@en . . "Hallucinogens"@en . .