Robert Rountree, M.D., a family doctor since 1983, combines traditional medicine with nutrition, herbology, and mind-body approaches to wellness. His other books include Smart Medicine for a Healthier Child, and he writes about health for a variety of national magazines.

Melissa Block, M.Ed., is a health writer who has contributed to and coauthored many books on health and nutrition topics including A Natural Guide to Pregnancy and Post-Partum Health.