LOREN CORDAIN, Ph.D., is one of the world's leading evolutionary medicine researchers. He is a professor in the Health and Exercise Science Department at Colorado State University and is widely regarded as the world's foremost specialist on the Paleolithic diet. Dr. Cordain's work has been covered on Dateline NBC, as well as in the New York Times, the Wall Street Journal, and other publications. He is the author of several publications, including The Paleo Diet and The Paleo Diet Cookbook, and he appears frequently in the media and gives talks across the world.