Science-based guidelines say there's no benefit to getting an EKG of heart activity before routine cataract surgery — even if the patient is old. But most doctors order such tests anyway. Bull's Eye/ImageZoo/Corbis hide caption
Evidence-based medicine Evidence-based medicine
Stories About
Evidence-based medicine
Wednesday
Thursday
A meeting of Alcoholics Anonymous in the 1950s was based on much the same 12-step program used today. Bettmann/Corbis hide caption
Critic Faults Alcoholics Anonymous For Lack Of Evidence
Tuesday
The physical therapist will advise, but you're going to have to do the work. iStockphoto hide caption