In addition to writing numerous book chapters and magazine articles, he is coauthor of five books on Integrative and Nutritional Medicine: The New Breastfeeding Diet Plan (McGraw-Hill, 2006), Smart Medicine for a Healthier Child, 2nd Edition (Avery Publishing, 2003), A Natural Guide to Pregnancy and Postpartum Health (Avery, 2002), Immunotics: A Revolutionary Way to Fight Infection, Beat Chronic Illness and Stay Well (Putnam, 2000), and A Parent's Guide to Medical Emergencies (Avery, 1997). 

He is the medical editor for Delicious! Living and serves as a technical editor for Alternative and Complementary Therapies and Journal of the American Nutraceutical Association. A long-standing member of the adjunct faculty for the Institute for Functional Medicine in Gig Harbor, WA, and a professional member of the American Herbalists Guild, he has lectured widely to professional audiences as well as the general public, and frequently appears on radio shows throughout the United States and Canada.