Bioethicists, moral philosophers and social policy analysts have long debated about how we should decide who shall be saved with scarce, lifesaving resources when not all can be saved. It is often claimed that it is fairer to save younger persons and that age is an ethically relevant consideration in such tragic decisions. Medical benefit should be maximized and final selection should aim to minimize the contaminating influence of chance. These claims are challenged by Duff R. Waring in Medical Benefit and the Human Lottery, one of the few books that attempts a sustained...