The study of public health aims to protect and promote the wellbeing of the public as well as reduce health inequalities. Public health ethics asks how far we should go to achieve these goals, balancing the rights and needs of individuals against those of the community. But what are these and how much weight should be given to each of them? In the third edition of his well-loved textbook, Stephen Holland shows how philosophy is key to evaluating the suitability of public health interventions. Holland explores the key goals of public health ethics in relation to both moral and political philosophy, reflecting on our everyday intuitions