Health Psychology students will need to understand how to evaluate and critically-appraise the latest theory and research before it can be applied. This fully-revised and updated fourth edition takes a critical approach and places Health Psychology in a real-world context, enabling students to understand how public policy, theory and research can influence communities and individuals alike.The new edition includes:A new chapter on diet and obesityUpdated material on stress and coping, doctor-patient communication, death, dying, bereavement and quality of lifeIntroductions to the social, political and economic conditions that influence our healthBreadth of coverage from social inequality through to chronic illness and screeningAn enhanced SAGE edge (TM) companion website (edge.sagepub.com/marks4e) with a suite of features to enhance students' learning experience. By David F. Marks , Michael Murray , Brian Evans , Emee Vida Estacio