Is there a human right to health? If so, what are its grounds? Can a legal or moral human right to health provide any practical guidance when it comes to making decisions about, for instance, the allocation of scarce health resources? There are many possible answers to these questions in the literature. This article surveys some of these replies. First, however, it examines the distinctions between legal and moral human rights and rights to health vs. health care. It then surveys (...) the literature on potential grounds for a moral human right to health. It concludes by considering replies to several common objections to the existence of a human right to health. (shrink)