Golf RxBy: Vijay Vad, M. D., Dave Allen Now in paperback, the official physician to the PGA Tour shares his groundbreaking research on preventing back pain and adding more yards to your drives. It is estimated that half of all recreational golfers and one third of all professional golfers suffer from some form of lower back pain. Conventional wisdom suggests that the twisting nature of the golf swing is the sole culprit. But research conducted by sports