Linda B. White, M.D., holds B.S and M.S degrees from Stanford University and an M.D. from the University of California, San Diego. She is the co-author of The Herbal Drugstore and Kids, Herbs, and Health. She served as a medical advisor and contributor to The National Geographic Guide to Medicinal Herbs. Since 2004, Dr. White has been on faculty at Metropolitan State, Denver, in the Integrative Therapeutic Practices Program in the Health Professions Department.Barbara Brownell Grogan, former editor in chief at National Geographic Books, is also a graduate of the Institute for Integrative Nutrition, in New York City. At National Geographic she grew the health line of publications, including Desk Reference to Nature's Medicine, Body: The Complete Human, Brainworks, and Guide to Medicinal Herbs, and has worked with health and well-being experts including Joe and Terry Graedon, of The People's Pharmacy, among others.National Geographic editor and award-winning feature writer Barbara H. Seeber is a 30-year veteran of the publishing world. As an editor for National Geographic Books, she helped launch a number of titles in National Geographic's line of health books.