This image is borrowed from the CEBM Oxford website. Questioning current practice (primarily FBM and MBM) using evolving epidemiological tools has been a game changer and disrupted faith based and market based medicine in ways previously unimaginable in the 20th century but almost taken for granted in our current century? Image credits: http://www.cebm.net/wp-content/uploads/2014/05/JH1.png  Humans have dwelled on evidence in its various forms since ages and the current age has provided us with a new tool (that of epidemiology) to express our values on what constitutes evidence? Perhaps our tools are still evolving?