Thomas Rau, M.D., is Medical Director of the Paracelsus Clinic in Lustmuhle, outside of Zurich, which attracts patients and clients from all over the world. He also presides over a sister clinic, Al Ronc, in the Swiss Alps. His articles are widely published, and he lectures internationally. Susan Wyler, former food editor of Food & Wine magazine, is author of 8 previous books.