The role of marihuana and LSD is crucial in the hippie rebellion. Drugs provide a social ritual, a focus of guiltless lawbreaking, and an effective medication to relieve undesired feelings of anger and aggression. The future of the hippies and their rebellion depends in part upon the further evolution of society's reaction to them but also, and perhaps most importantly, upon the long-term effects of drugs chronically employed as the materia medica of a flight from aggression and violence.Abstract Teaser