Sai K. Das, Ph.D.

Recent Publications
	Scientist III Energy Metabolism Laboratory Jean Mayer USDA HNRCA at Tufts University 711 Washington Street Boston, MA 02111-1524 Phone: (617) 556-3313 Fax: (617) 556-3224 E-mail: sai.das@tufts.edu
Education	Ph.D., Human Nutrition Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Tufts University
Research Focus	Energy regulation in humans; obesity; energy expenditure; body weight regulation; caloric restriction
Academic Appointments	Assistant Professor, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Tufts University
Selected Professional Affiliations	North American Association for the Study of Obesity Boston Obesity Nutrition Research Center
Racette SB, Das SK, Bhapkar M, Hadley EC, Roberts SB, Ravussin E, Pieper C, Delany JP, Kraus WE, Rochon J, Redman LM; The CALERIE Study Group. Approaches for quantifying energy intake and %calorie restriction during calorie restriction interventions in humans: the multicenter CALERIE study. Am J Physiol Endocrinol Metab. 2012 Feb;302(4):E441-E448. Rickman AD, Williamson DA, Martin CK, Gilhooly CH, Stein RI, Bales CW, Roberts S, Das SK. The CALERIE Study: design and methods of an innovative 25% caloric restriction intervention. Contemp Clin Trials. 2011 Nov;32(6):874-81. Teng NI, Shahar S, Manaf ZA, Das SK, Taha CS, Ngah WZ.Efficacy of fasting calorie restriction on quality of life among aging men. Physiol Behav. 2011 Oct 24;104(5):1059-64. Urban LE, McCrory MA, Dallal GE, Das SK, Saltzman E, Weber JL, Roberts SB. Accuracy of stated energy contents of restaurant foods. JAMA. 2011 Jul 20;306(3):287-93. Erratum in: JAMA. 2011 Sep 7;306(9):933. Pieper C, Redman L, Racette S, Roberts S, Bhapkar M, Rochon J, Martin C, Kraus W, Das S, Williamson D, Ravussin E. Development of adherence metrics for caloric restriction interventions. Clin Trials. 2011 Apr;8(2):155-64. Martin CK, Das SK, Lindblad L, Racette SB, McCrory MA, Weiss EP, Delany JP, Kraus WE; CALERIE Study Team. Effect of calorie restriction on the free-living physical activity levels of nonobese humans: results of three randomized trials. J Appl Physiol. 2011 Apr;110(4):956-63. Rochon J, Bales CW, Ravussin E, Redman LM, Holloszy JO, Racette SB, Roberts SB, Das SK, Romashkan S, Galan KM, Hadley EC, Kraus WE; CALERIE Study Group. Design and conduct of the CALERIE study: comprehensive assessment of the long-term effects of reducing intake of energy. J Gerontol A Biol Sci Med Sci. 2011 Jan;66(1):97-108. Thomas D, Das SK, Levine JA, Martin CK, Mayer L, McDougall A, Strauss BJ, Heymsfield SB. New fat free mass - fat mass model for use in physiological energy balance equations. Nutr Metab (Lond). 2010 May 9;7:39. Ahmed T, Das SK, Golden JK, Saltzman E, Roberts SB, Meydani SN. Calorie restriction enhances T-cell-mediated immune response in adult overweight men and women. J Gerontol A Biol Sci Med Sci. 2009 Nov;64(11):1107-13. Das SK, Saltzman E, Gilhooly CH, DeLany JP, Golden JK, Pittas AG, Dallal GE, Bhapkar MV, Fuss PJ, Dutta C, McCrory MA, Roberts SB. Low or moderate dietary energy restriction for long-term weight loss: what works best? Obesity (Silver Spring). 2009 Nov;17(11):2019-24. Cheatham RA, Roberts SB, Das SK, Gilhooly CH, Golden JK, Hyatt R, Lerner D, Saltzman E, Lieberman HR. Long-term effects of provided low and high glycemic load low energy diets on mood and cognition. Physiol Behav. 2009 Sep 7;98(3):374-9.