RT Journal Article SR Electronic T1 Whose values? Whose reasons? A commentary on ‘Rethinking disease: a fresh diagnosis and a new philosophical treatment’ by Powell and Scarffe JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 592 OP 593 DO 10.1136/medethics-2019-105663 VO 45 IS 9 A1 Havi Carel YR 2019 UL http://jme.bmj.com/content/45/9/592.abstract AB In this short commentary, I reflect on the new definition of disease proposed by Powell and Scarffe. I suggest that the method they appeal to as objective, namely, rational justification, is open to several criticisms, which I outline and discuss.