The effects of drug abuse and dependence vary, depending on the type of drug, polydrug use, and characteristics of the user. The influence of genetic, neurochemical, neuropsyiological, sociocultural, and economic factors suggest that the etiology of substance abuse and dependence is multiply determined. Models explaining the causation of substance…

This guide provides a detailed look at the biological basis of drug addiction, examining how the brain and its reward system work and how drug abuse can cause fundamental changes in the way the brain works. It is a resource for clinicians and practitioners. The first section of the guide provides an outline of the following basic concepts…

This issue of "Media & Values" provides essays and teaching ideas for addressing the influence of the media in society and the growing incidence of addiction. Articles in this issue include: (1) "Culture of Addiction" (Rosalind Silver); (2) "Crack and the Box" (Pete Hamill); (3) "When It Comes to Drugs, Beware the Censor's Fix" (David Musto); (4)…