This book assembles a wide range of explanatory perspectives on social inequalities in health. Everywhere in the world, those with less advantage die younger and suffer more illness than the wealthy. Decades of research have documented this reality and yet we lack a comprehensive understanding of the mechanisms through which social circumstances ultimately influence the biological processes that lead to disease. Explanations have been proposed from various disciplines – economics, psychology, behavioral science, geography, and neuroscience – and each sheds light on parts of the overall...