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Psychedelics

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Psychedelics refers to a groups of drugs (also called psychotomimetics and hallucinogens) that distort the recreational user's perception and cognition. This group includes LSD (acid), peyote, mescaline, psilocybin, and MDMA (ecstasy). Psychedelics increase awareness of sensory stimuli but decrease the user's ability to control what is experienced. The arylcyclohexylamines, or psychedelic anesthetics phencyclidine (also known as PCP or angel dust) and ketamine are veterinary anesthetics that are sometimes taken by human beings as recreational drugs. Like the psychedelics they are hallucinogenic and they "cause users to feel dissociated from themselves and their environments" (Leavitt, 1995, p. 55).

Psilocybin, mescaline and LSD produce tolerance quite rapidly and are cross tolerant. There are only minimal withdrawal symptoms. The dangers of psychedelics are largely confined to the problem of "bad trips." And the array of concerns related to such drugs--chromosomal damage, brain damage, prolonged psychosis--are, as "the weight of the evidence indicates, . . . unfounded" (Leavitt, 1995, p. 146). The psychedelic anesthetic phencyclidine, however, involves greater dangers. This drug produces weak tolerance toward its depressant effects but less to its stimulant effects. Withdrawal symptoms are very mild or nonexistent. It is a common cause of charges of driving under the influence of drugs. And the adverse effects of chronic abuse include appetite suppression and we

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Approximate Word count = 1052
Approximate Pages = 4 (250 words per page)

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