Dr. David Katz

Dr. David Katz has earned his title as the nutrition columnist for O, The Oprah Magazine for good reason. After earning a BA from Dartmouth College, a MD from Albert Einstein College of Medicine and an MPH from Yale University School of Public Health, Dr. Katz was recognized as one of America's Top Physicians in Preventive Medicine. He is an expert in chronic disease prevention, health promotion and nutrition. Dr. Katz has written 9 books, is a Medical Contributor for ABC News and is a columnist for the New York Times. Dr. Katz is not only great at what he does for a living, but is a great husband and father of five children and three dogs.

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