This book is the result of over 30 years of collaboration among its authors. It uses the systematic account of our common morality developed by one of its authors to provide a useful foundation for dealing with the moral problems and disputes that occur in the practice of medicine. The analyses of impartiality, rationality, and of morality as a public system not only explain why some bioethical questions, such as the moral acceptability of abortion, cannot be resolved, but also provide a method for determining the correct answer for those occasions when a bioethical question has a unique...