Vicky Vlachonis is an osteopath who has worked with everyone from Princes William and Harry (!) to Elton John (!!) and Cameron Diaz (!!!). Gwyneth herself is such a fan that she wrote the foreword for her new book, The Body Doesn’t Lie. Here, you can learn some common causes of–and treatments for–pain. Better, she provides a strategy for living a healthy, pain-free life.