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William Yancy MD, MHS

Internal medicine doctor, obesity medicine specialist, researcher and Fellow of The Obesity Society and a diplomate of the American Board of Obesity Medicine

Dr. William Yancy has spent most of his career researching obesity and treatments for obesity. He is an associate professor of medicine at Duke University and a staff physician and a researcher at the Durham VA Medical Center.

He is also the director at Duke Diet and Fitness Center, an immersive, residential-style, comprehensive weight management program that serves patients from around the world who come to Duke for a week or longer to change their eating and activity lifestyles, lose weight, improve their health and learn strategies for long-term success.

Dr. Yancy has conducted multiple clinical trials investigating how different dietary and medicinal approaches affect body weight, cardiovascular risk and diabetes, with particular expertise regarding low-carbohydrate eating.1
He has also performed a number of studies examining innovative approaches toward improving adherence to lifestyle recommendations and other treatments. He has received several awards for his research and published over 100 peer-reviewed scientific articles.2

He received his medical degree from East Carolina University and completed his residency at the University of Pittsburgh. He also has Masters in Health Sciences from Duke University.