Debates about how knowledge is made and valued in evidence-based medicine (EBM) have yet to understand what discursive, social, and historical conditions allowed the EBM approach to stabilize and proliferate across western medical education. This paper uses a genealogical approach to examine the epistemological tensions that emerged as a result of various problematizations of uncertainty in medical practice. I explain how the problematization of uncertainty in the literature and the contingency of specific social, political, economic, and historical relations allowed the (...) EBM approach to become a programmatic and pedagogical focus of the Faculty of Medicine at McMaster University and beyond. (shrink)