This introduction to the special issue on well-being and health explores the ways that philosophical inquiry into well-being can play a productive role in understanding health and medicine. We offer an explanation of the concept of well-being, central theories of well-being, and how these key topics, along with other cutting-edge issues such as disability and cross-cultural reflections, can contribute to the discourse on the nature of health and medicine. We also provide brief overviews of the essays in this special issue (...) and highlight the significant philosophical implications they have for understanding both well-being and health. (shrink)