Joseph J. Kehayias, Ph.D.

Featured HNRCA Research Publications
	Scientist I and Director Body Composition Laboratory Jean Mayer USDA HNRCA at Tufts University 711 Washington Street Boston, MA 02111-1524 Phone: (617) 556-3162 Fax: (617) 556-3344 E-mail: joseph.kehayias@tufts.edu
Education	Ph.D., Experimental Nuclear Physics Indiana University
Research Focus	Body composition and radioisotope kinetics
Academic Appointments	Associate Professor, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy at Tufts University
Selected Professional Affiliations	Department of Health and Human Services - National HIV/AIDS Nutrition Guidelines, Assessment of Nutritional Status, Body Composition and Morphologic Change Director, Body Composition Core Laboratory, Boston Obesity/Nutrition Research Center
For more information on Dr. Joseph Kehayias, please visit the USDA, Agricultural Research Service .
Kehayias JJ, Sheahan CA, Murphy-Gismondi P, Laughery J, Maxwell B, O’Neill M. Use of new field methods to assess body composition, dehydration and frailty in nursing homes. The Journal of Nutrition, Health and Aging, 2004;8(6):444-5. Prelack K, Sheridan R, Yu YM, Stamatelatos IE, Dwyer J, Dallal GE, Lydon M, Petras L, Kehayias JJ. Sodium Bromide by Instrumental Neutron Activation Analysis Quantifies Change in Extracellular Water Space with Wound Closure in Severely Burned Children. Surgery. 2003:133(4):396-403. Kehayias JJ. Evaluation of new pharmaceuticals using in vivo neutron inelastic scattering and neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry. 2000;244(1):219-224. Kehayias JJ, Valtueña S. Neutron activation analysis determination of body composition. Current Opinions in Clinical Nutrition and Metabolic Care. 1999;2:453-463. Kehayias JJ, Fiatarone MA, Zhuang H, Roubenoff R. Total body potassium and fat: relevance to aging. American Journal of Clinical Nutrition. 1997;66:904-10.
Other Recent Publications Prelack K, Dwyer J, Dallal GE, Rand WM, Yu YM, Kehayias JJ, Antoon A, Sheridan RL. Growth deceleration and restoration after serious burn injury. Journal of Burn Care Research. 2007;28(2):262-8. Prelack K, Dwyer J, Sheridan R, Yu YM, Lydon M, Petras L, Dolnikowski G, Kehayias JJ. Body water in children during recovery from severe burn injury using a combined tracer dilution method. Journal of Burn Care Rehabilitation. 2005;26(1):67-74. Das SK, Saltzman E, McCrory MA, Hsu LK, Shikora SA, Dolnikowski G, Kehayias JJ, Roberts SB. Energy expenditure is very high in extremely obese women. Journal of Nutrition. 2004;134(6):1412-6. Kehayias JJ. Use of D-T-produced fast neutrons for in vivo body composition analysis: a reference method for nutritional assessment in the elderly. Analytical and Bioanalytical Chemistry. 2004;379(2):188-91. Das SK, Roberts SB, McCrory MA, Hsu LK, Shikora SA, Kehayias JJ, Dallal GE, Saltzman E. Long-term changes in energy expenditure and body composition after massive weight loss induced by gastric bypass surgery. American Journal of Clinical Nutrition. 2003;78(1):22-30. Das SK, Roberts SB, Kehayias JJ, Wang J, Hsu LK, Shikora SA, Saltzman E, McCrory MA. Body composition assessment in extreme obesity and after massive weight loss induced by gastric bypass surgery. American Journal of Physiology: Endicrinology & Metabolism. 2003;284(6):E1080-8. Rall LC, Walsmith JM, Snydman L, Reichlin S, Veldhuis JD, Kehayias JJ, Abad LW, Lundgren NT, Roubenoff R. Cachexia in rheumatoid arthritis is not explained by decreased growth hormone secretion. Arthritis & Rheumatism. 2002;46(10):2574-7. Kehayias JJ. Aging and body composition. Nestlé Nutrition Workshop Series: Clinical & Performance Program. 2002;6:63-74; discussion 74-8. Castaneda C, Gordon PL, Uhlin KL, Levey AS, Kehayias JJ, Dwyer JT, Fielding RA, Roubenoff R, Singh MF. Resistance training to counteract the catabolism of a low-protein diet in patients with chronic renal insufficiency. A randomized, controlled trial. Annals of Internal Medicine. 2001;135(11):965-76. Russell RM, Baik H, Kehayias JJ. Older men and women efficiently absorb vitamin B-12 from milk and fortified bread. Journal of Nutrition. 2001;131(2):291-3. To see more of Dr. Joseph Kehayias' publications, please visit PubMed and search for "Kehayias JJ."