Known to millions worldwide as "The Natural Physician," Mark Stengler, NMD, is a licensed naturopathic medical doctor and leading authority on the practice of alternative and integrated medicine.

Dr. Stengler is founder and medical director of the Stengler Center for Integrative Medicine in Encinitas, California. He is also an adjunct associate clinical professor at the National College of Natural Medicine in Portland, Oregon,

In addition to his clinical and academic work, Dr. Stengler is the author of Dr. Mark Stengler's Health Revelations, a monthly health newsletter, He also is the coauthor of 17 books, including three best sellers—The Natural Physician's Healing Therapies, Prescription for Natural Cures and Prescription for Drug Alternatives.

Dr. Stengler is a frequent contributor to leading health magazines and is a popular medical expert on television. He has been involved in two Public Television documentaries on natural medicine—"7 Steps to Perfect Health" and "Supercharge Your Immune System."