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Lisa Hark

Lisa Hark PhD, RD, is a renowned medical nutritionist with over 20 years experience in nutrition counselling and promoting the benefits of healthy eating. She is Director of the Nutrition Education and Prevention Program at the University of Pennsylvania School of Medicine in Philadelphia. Lisa resides in Philadelphia. Darwin Denn MD, MS, is a family doctor and award-winning nutrition educator. He is Director of Undergraduate Medical Student Education for the Department of Family and Social...See more