Dr Mark Stengler is a naturopathic medical doctor practising in Encinitas, California. He is the bestselling author of over 30 books, including Prescription for Natural Cures and The Natural Physician's Healing Therapies. He specialises in combining conventional and natural medicine for his patients and readers. www.markstengler.com Dr Paul Anderson is a naturopathic medical doctor who practices in Seattle, Washington, and Rosarito, Mexico. A respected physician, educator and professional writer, he focuses his efforts on clinical and continuing medical education updates. www.consultdranderson.com