Dr. 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.
Select scholarly publications
Dr. Yancy has published over 100 peer-reviewed scientific articles. Since 2010, these are a few of his most notable:
Yancy WS, Jr, Westman EC, McDuffie JR, Grambow SC, Jeffreys AS, Bolton J, Chalecki A, Oddone EZ. A randomized trial of a low-carbohydrate, ketogenic diet versus orlistat plus a low-fat diet for weight loss. Arch Intern Med 2010;170(2):136-145.
Mayer SB, Jeffreys AS, Olsen MK, McDuffie JR, Feinglos MN, Yancy WS, Jr. Two diets with different hemoglobin a1c and antiglycemic medication effects despite similar weight loss in type 2 diabetes. Diabetes Obes Metab. 2014;16(1):90-3
Yancy WS Jr, Mayer SB, Coffman CJ, Smith VA, Kolotkin RL, Geiselman PJ, McVay MA, Oddone EZ, Voils CI. Effect of allowing choice of diet on weight loss: a randomized trial. Ann Intern Med. 2015;162(12):805-14
Evert AB, Dennison M, Gardner CD, Garvey WT, Lau KHK, MacLeod J, Mitri J, Pereira RF, Rawlings K, Robinson S, Saslow L, Uelmen S, Urbanski PB, Yancy WS, Jr. Nutrition therapy for adults with diabetes or prediabetes: a consensus report. Diabetes Care. 2019;42(5):731-754
Yancy WS, Jr, Crowley MJ, Dar MS, Coffman CJ, Jeffreys AS, Maciejewski ML, Voils CI, Barton AB, Edelman D. Group medical visits combined with intensive weight management for type 2 diabetes: a non-inferiority randomized trial. JAMA Intern Med. 2019;180(1):70-9.
Dr. Yancy’s Awards
He has received several awards for his research. To name a few:
- Presidential Early Career Award for Scientists and Engineers (PECASE), 2006.
- Colonel Jerry W. Ross AMSUS Sustaining Membership Lecture Award, Association of Military Surgeons of the United States, 2008 Excellence in Professionalism Award, Duke University School of Medicine, 2013.
- Nutrition & Metabolism Society Award for Excellence in Nutrition & Metabolism, 2015.
Medically reviewed evidence-based guides for Diet Doctor
Potential conflicts of interest
Dr. Yancy eats a whole foods diet emphasizing foods lower in carbohydrate and higher in protein, fat, and fiber. He also believes that physical activity is important to health.
He also has a contract agreement with DietDoctor.com to review guides and news stories for clinical accuracy and appropriate interpretation of evidence. He receives payment for his reviews.
Dr. Yancy has had other an unpaid, voluntary roles for:
- American Diabetes Association, as a nutrition recommendation writing committee member
- American Board of Obesity Medicine, as an item writing committee member
- The Obesity Society, American Diabetes Association and multiple scientific journals, as an abstract and article reviewer
A few randomized trials led by him: