This state-of-the-art handbook provides authoritative, up to date coverage of health psychology topics, offering an excellent, in-depth view of the field. Leading experts provide essential insights into the discipline of health psychology, its roots, future directions, and the networks and organisations involved. Structured into eight parts, the book starts with defining health psychology including an important historical overview. Subsequent sections examine theories and methodology, health behaviour, interpersonal relations and health, chronic disease and interventions. The concluding sections tackle the important areas of global health psychology and the future of Health Psychology. The editors and auditors include leading experts in the field as well as early career researchers from over 20 countries across the world. Global representation was a key goal in selecting authors. While familiar areas receive ample attention this book strives to put the field of health psychology in context. As well as examining history it book spotlights global issues and explicitly mentions future developments and opportunities. The role of health psychology in the COVID-19 pandemic is considered and there is discussion more broadly on how health psychology can contribute to addressing societal challenges, including how to move forward sharing knowledge more firmly with policymakers. This is an essential resource for scholars, PhD students and research master students specialising in the field of health psychology.