This text investigates the intersection of pharmacological effects, behavioral patterns, and the societal implications of drug use within the context of the late 20th-century landscape. Charles F. Levinthal, a recognized scholar in the field of psychopharmacology, utilizes a structured academic framework to analyze how various substances influence human behavior and how modern society manages the resulting health and legal challenges. The book serves as a comprehensive guide for students and researchers to navigate the complex relationship between chemical dependency and social policy.

The work is regarded as a foundational academic resource that bridges the gap between traditional pharmacological study and the emerging digital research tools of the late 1990s. Its structured approach provides a reliable, albeit historically specific, framework for understanding the societal complexities of substance use.