"Angel dust:" an overview of abuse patterns and prevention strategies.

Adolescent abuse of phencyclidine, also known as "ANGEL DUST" or "PCP," has increased dramatically in the past several years. Phencyclidine can be highly toxic, and efforts should be made to prevent its abuse. The authors advance one model of behavorioral intervention which utilizes peer group counseling to promote learning of practical skills for resisting pressures to use "hard drugs," especially phencyclidine.