"Psychologists are becoming more involved in the etiology, prevention, and treatment of addictive behaviors. Research shows that behavioral habits such as smoking, drinking, and other substance use are associated with a wide variety of problems both for individuals who engage in addictive behaviors and for the larger society in which we live. Addictive behavior problems may appear in a variety of contexts, from harmful health effects and social and family problems to economic and legal difficulties."--p. xi.