The primary focus of Dr. McDonald´s research program is on mechanisms of cellular aging and the interaction between nutrition and aging. Current topics of investigation include:
Dr. McDonald's research uses primarily rodents as models for human aging. Research methods include cell culture, in vitro and in vivo analysis of cell proliferation, food intake analysis, analysis of circadian rhythm and extensive use of computers for data collection, systems modeling and statistical analysis.
Dr. McDonald is a member of the Graduate Group in Nutrition and the Physiology Graduate Group.
Dr. McDonald is on the board of directors for the Physically Challenged Athletes Scholarship Fund.