New content includes chapters on Sun Protection, Interventions With the Family System, and the Role of Technology in Behavior Change. Throughout the textbook, updated reviews emphasize mobile health technologies and electronic health data capture and transmission and a focus on implementation science. And the fifth edition, like the previous edition, provides learning objectives to facilitate use by course instructors in health psychology, behavioral medicine, and public health. is a valuable resource for students at the graduate and advanced undergraduate level in the fields of public or population health, medicine, behavioral science, health communications, medical sociology and anthropology, preventive medicine, and health psychology. It also is a great reference for clinical investigators, behavioral and social scientists, and healthcare practitioners who grapple with the challenges of supporting individuals, families, and systems when trying to make impactful health behavior change. NEW TO THE FIFTH EDITION: KEY FEATURES: