Neal D. BarnardNeal Barnard, M.D., is a clinical researcher, author, and health advocate. He has been the principal investigator or coinvestigator on several clinical trials investigating the effects of diet on health. He is the author of dozens of publications in cientific and medical journals as well as numerous nutrition books for lay readers and is frequently called on by news programs to discuss issues related to nutrition, research issues, and other controversial areas in modern medicine. Read More Read Less