Peggy Wachterhauser Brill, P.T,. is a board-certified clinical specialist in orthopedic physical therapy. Her private practice, Brill Physical Therapy, is in midtown Manhattan, and she also maintains offices in the corporate headquarters of Morgan Stanley and Credit Suisse First Boston. Her expertise is sought after by the Duke University men’s basketball team, top executives all over the world, and leading physicians at the Hospital for Special Surgery and several other major medical centers. The author of The Core Program: 15 Minutes a Day That Can Change Your Life, Peggy lives in New York City with her husband and two daughters.


Gerald Secor Couzens is a contributing writer for both the Johns Hopkins Health After 50 newsletter and the Hopkins White Papers medical series. He is also co-author of the national bestseller Thinner at Last.