A. Marijuana . B. Hallucinogens . PCP, a dissociative anesthetic, has similar effects. The effects of LSD are unpredictable and may range from euphoria and heightened sensory awareness to hallucinations, panic reactions, and flashbacks. PCP is a very dangerous drug that also has terribly unpredictable effects involving development of psychotic states or severe depression.
Medical treatment is necessary in cases of severe hallucinogen reactions.
C. Depressants, Barbiturates, and Tranquilizers . Depressants, barbiturates and tranquilizers have depressing effects on the central nervous system and can lead to physical and psychological dependence. These drugs are very popular and are overused by Americans. D. Cocaine . It is an up-scale drug used by people in many professions, despite its illegal status.