Nortin M. Hadler, M.D., M.A.C.P., M.A.C.R., F.A.C.O.E.M., is emeritus professor of medicine and microbiology/immunology at the University of North Carolina at Chapel Hill and attending rheumatologist at UNC Hospitals. His most recent book is By the Bedside of the Patient: Lessons for the Twenty-First Century Physician (UNC Press).