This volume presents the most current theoretical advances in the fields of social marketing and public health communications. The volume is divided in two parts. Part 1 contains chapters pertaining to research and theory reflecting improvements and contributions to theories that help improving quality of life. It includes literature reviews, conceptual research and empirical studies on social marketing communications, models to understand individual's risky behaviors, and how to improve social interventions. The second part emphasizes applied research, consisting of best practices, applied experiments, and case studies on social marketing innovative practices with implications for quality of life.