This handbook sets a standard for conceptually based, empirically validated health behavior change interventions for the prevention and treatment of major diseases. Preface, Theories of Prevention, Culture and Health - Realed Behavior, The Transtheoritical Model of Behavior Change, Relapse Prevention and the Maintenance of Optimal Health, Motivational Interviewing, Interventions for Lifestyle Change, Promoting Dietary Change, Adoption and Maintenance of Safer Sexual Practices, Multiple Risk Behavior Change: What Most Individuals Need, Measurement, The Measurement of Physical Activity, Changes in Substance Use Behavior, Obstacles and Predictors of Lifestyle Change and Adherence, Predictors of Patient Adherence: Patient Characteristics, Adolesent Tobacco Use and the Social Context, Psychological Barriers to Adherence and Lifestyle Change, Lifestyle Change and Adherence Issues within Specific Populations, Lifestyle Interventions for the Young, Health Disparities and Minority Health, Lifestyle Change and Adherence Issues Among Patients with Chronic Diseases, Adherence and HIV: A Lifetime Commitment, Lifestyle Change and Adherence, Index.