The buzzword for clinicians these days is “evidence-based practice”—good doctors are supposed to follow research findings rather than their own intuition or ad-hoc experimentation. Yet Warwick is almost contemptuous of established findings. National clinical guidelines for care are, he says, “a record of the past, and little more—they should have an expiration date.”

Atul Gawande, The Bell Curve, The New Yorker November 28 2004