This post was featured on KevinMD.com; an excerpt follows: An essay in JAMA by Vinay Prasad (Northwestern of Chicago), Adam Cifu (U. of Chicago) and John Ioannidis (Stanford) should be required reading for every medical student, resident, and to pass every board certification exam in any specialty. In my humble opinion. John Ioannidis became one of my personal heroes with the publication of his great paper in PLoS Medicine, "