The Sage Handbook of Health Psychology, 2e Volume One: Contexts, Theory and Methods in Health Psychology is focused on the foundational contexts, theories, and methods that underpin health psychology today. The Handbook covers diverse perspectives, including socio-political, cultural, and ethical issues, and provides an in-depth exploration of biological health psychology, theories of health-related behavior, and advanced research methodologies. Essential for postgraduate students, researchers, and practitioners, this Handbook offers a comprehensive overview of the current state of research and knowledge in health psychology. Section One: Contexts and Perspectives Section Two: Theories of Health-Related Behavior Section Three: Biological Health Psychology: Theories and Approaches Section Four: Methods and Measurement in Health Psychology