<div>ISADORE ROSENFELD, M.D., is the bestselling author of nine books, including Live Now, Age Later and Dr. Rosenfeld's Guide to Alternative Medicine. He is Rossi Distinguished Professor of Clinical Medicine at New York-Presbyterian Hospital/Weill Medical College of Cornell University and attending physician at New York Presbyterian Hospital and Memorial Sloan-Kettering Cancer Center, as well as health editor of Parade magazine and medical consultant for Fox TV's popular Sunday Housecall. He lives in Westchester County, New York.<br></div>