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Helen Hobbs, M.D., is one of the world's foremost experts on human genetics. She is a professor of internal medicine and molecular genetics at UT Southwestern and runs a laboratory that investigates the role of cholesterol and fat in heart and liver disease. Her research has led to groundbreaking discoveries and new therapies that have changed patient care around the world. Learn more about Dr. Hobbs in her UT System Women's History Month video.