In this comprehensive handbook, Ragin and Keenan present an all-encompassing analysis of the variety of different methods used in Health Psychology research. Featuring interdisciplinary collaborations from leading academics, this meticulously written volume is a guide to conducting cutting-edge research using tested and vetted best practices. It explains important research techniques, why they are selected and how they are conducted. The book critically examines both cutting- edge methods such as those used in NextGen genetics, nudge theory and the brain’s vulnerability to addiction, as well as the classic methods including cortisol measurement, survey and environmental study. The topics of the book span the gamut of health psychology field, from neuroimaging and statistical analysis, to socioeconomic issues such as the policies used to address diseases in Africa, anti-vaxers and the disproportionate impact of climate change on impoverished people. With each section featuring examples of best research practices, recommendations for study samples, accurate use of instrumentation, analytical techniques and advanced level data analysis, this book will be an essential text for both emerging student researchers and experts in the field, and an indispensable resource in health psychology programs.