Some maintain that voluntariness is a value-neutral concept. On that view, someone acts involuntarily if subject to a controlling influence or has no acceptable alternatives. I argue that a value-neutral conception of voluntariness cannot explain when and why consent is invalid and that we need a moralized account of voluntariness. On that view, most concerns about the voluntariness of consent to participate in research are not well founded.

Dutch euthanasia legislation states that an act of euthanasia is only permissible if it is based on a voluntary request made in a situation of unbearable suffering to which there are no alternatives.The central question of this article is whether these criteria can be satisfied simultaneously. In an analysis of several (partly overlapping) definitions of voluntariness it is argued that there are circumstances in which this question should be answered negatively.The possible incompatibility of the criteria reveals a tension between different (...) defences of the permissibility of euthanasia. (shrink)