Research/Areas of Interest
Energy metabolism; calorie restriction and nutritional modulation of aging, obesity and body weight regulation in humans; body composition, dietary intake capture methodology.
Education
- PhD, Human Nutrition, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy
Biography
Dr. Sai Das, PhD, is a Senior Scientist in the Diet & Chronic Disease Prevention for Healthy Aging directive at the HNRCA. Her research has advanced the science of metabolism in aging and broadened our understanding of the prevention and treatment of weight-related health conditions. Dr. Das’s research interests include calorie restriction and aging, precision nutrition, diet patterns and chronic disease, and lifestyle interventions addressing the obesity epidemic.
Her current work focuses on aging and improving healthspan as well as precision nutrition approaches to understanding the role of diet in metabolic health. She is the Principal Investigator of the CALERIE™ Legacy Study -- a long-term follow-up of the landmark CALERIE™ trial -- and the New England Clinical Center for the NIH Common Fund's Nutrition for Precision Health study.
Dr. Das is a Professor at the Friedman School of Nutrition Science and Policy at Tufts University. She has been an active member of the nutrition community, and has presented at local, national and international conferences on topics ranging from calorie restriction to precision nutrition. She is also a member of the American Society for Nutrition, an Associate Editor of the International Journal of Obesity, and on the Standing Committee for the Review of the Dietary Reference Intakes Framework (part of the National Academies of Sciences, Engineering, and Medicine).