In this discussion with anthropologists Baptiste Moutaud and Anthony Stavrianakis who work in the field of health, Jessica De Largy Healy and Monica Heintz interrogate their international experiences with research ethics committees, in a context where codes, institutions, and ethical protocols that have originated from the Anglo-Saxon world are rapidly spreading in Europe and French anthropological research. Reflecting together on the issues, dilemmas, and other ethical imperatives specific to their work with patients and medical staff, Baptiste Moutaud and Anthony Stavrianakis examine the methodological, academic, ethical, and legal contours of contemporary anthropological research more broadly. In this discussion, the notion of sharing knowledge between researchers and interlocutors is colored by the conditions specific to medical anthropology, where the condition of transparency reveals certain institutional workings that potentially run counter to its original intention.