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To improve understanding of how the diet impacts bone and muscle health and improves overall health and function in older adults.


Determine the effects of dietary and supplemental vitamin D and related nutrients in the prevention and progression of musculoskeletal performance and dysfunction, glucose homeostasis and type 2 diabetes, and other chronic diseases

Determine the effects of dietary acid-base balance on bone and muscle metabolism and function

Define the contributions of vitamin D absorption, metabolism, and genetic variation in regulating the circulating levels of 25OHD and other metabolites


Bess Dawson-Hughes, M.D., Laboratory Director
Senior Scientist
Research focus: Dietary determinants of bone and muscle mass

Lisa Ceglia, M.D., M.S.
Scientist II
Research focus: Effects of dietary and hormonal factors on muscle metabolism and morphology

Andrea Fondulas, Staff Assistant
Justine McAllister
, Research Coordinator
Rahul Sangar, Research Technician
Jenna M. Sills, Research Administrator
Kelsey Viera, Research Coordinator