Discusses the history of cocaine and crack, their physiological and societal effects, laws restricting their use or possession, government attempts to enforce these laws, and methods of treatment and recovery for addicts.

Discusses the history of marijuana, its physiological and societal effects, laws regulating its medicinal and recreational uses, and the continuing controversy which surrounds those regulations.

Discusses the history of heroin, its physiological and societal effects, and the extreme difficulty of fighting heroin abuse, both on an individual and a national basis.

Describes the drugs used for weight loss and the problems and controversies surrounding them.