Ross Upshur explores a very important concept in modern healthcare: "The Concept of Evidence" in this and the next podcast. He talks about evidence and what it means to base decision on evidence. He would also dig into its evolution; attempts made to orient clinical decision making to the literature; its new dimensions and hierarchy of evidence; “what it is and what it isn’t”; and how it relates to patients values and expectations; and more. Links to some of the articles mentioned in the first podcast: Evidence-based medicine: A New Approach to Teaching the Practice of Medicine JAMA. 1992;268(17):2420-2425. Evidence –based Medicine; what it is and what it isn’t BMJ 1996;312:71