Peggy Brill is a board-certified clinical specialist in orthopedic physical therapy who has a private practice and also maintains offices in the corporate headquarters of Morgan Stanley and Credit Suisse First Boston, all in Manhattan. Her first book, The Core Program: 15 Minutes a Day That Can Change Your Life, which was launched on the"Today"show and became a national word-of-mouth hardcover success, is a Bantam Trade Paperback on sale in January 2003.