Dr. Penny Stanway practiced for several years as a family doctor and as a child-health doctor before becoming increasingly interested in the benefits of a healthy diet and other natural approaches to health and well-being. She is also a trained and accomplished cook and has written more than 20 books on health, food, and nutrition, including "The Miracle of Apple Cider Vinegar" (2010) and "The Miracle of Lemons" (2011).