David Ludwig, MD, PhD

David S. Ludwig, MD, PhD, is an endocrinologist, researcher, and professor at Harvard Medical School and Harvard School of Public Health. Dr. Ludwig also co-directs the New Balance Foundation Obesity Prevention Center at Boston Children’s Hospital. His research focuses on the carbohydrate-insulin model of obesity, which considers how food affects hormones, metabolism, body weight and risk for chronic diseases.

Described as an “obesity warrior” by Time magazine, Dr. Ludwig has fought for fundamental policy changes to restrict junk food advertising directed at young children, improve the quality of national nutrition programs, and increase insurance reimbursement for obesity prevention and treatment.

He has received numerous grants from the National Institutes of Health and published over 175 scientific articles. He is on the editorial staff of the leading medical journals, BMJ and AJCN

Dr Ludwig has written 3 books for the public, including the #1 New York Times bestseller Always Hungry? Conquer Cravings, Retrain Your Fat Cells, and Lose Weight Permanently (Grand Central Publishing, 2016). He appears frequently in national print and broadcast media.

Dr. Ludwig lives in Brookline, Massachusetts, with his wife, Dawn, and son Benji. He can be found most weekends with nice weather biking along the Charles River.

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