This text investigates the complex intersection of pharmacological, psychological, and sociological factors that contribute to drug use and misuse in contemporary society. Stephen A. Maisto, a professor of psychology and researcher in addictive behaviors, utilizes a multidisciplinary framework to examine how various substances affect the human body and mind. The book synthesizes clinical research, historical context, and public policy analysis to provide a comprehensive overview of substance use disorders and their treatment.

Academic reviewers and educators frequently cite this text as a foundational resource for undergraduate courses in psychology and public health. Experts highlight the balanced integration of biological data and social science as a primary strength for students entering the field of addiction studies.