Current Projects

Effects of dietary energy restriction on metabolic aging.
Influence of fiber on and energy regulation.
Physiological and cognitive effects of beverage consumption.
Genetic inheritance of body composition and energy regulation in identical twins and their parents.
Relative effects of diet and physical activity on body composition and metabolic profile.
Dietary composition, obesity, and cardiovascular risk.

Learn More

For more information about the Energy Metabolism Laboratory, please visit the USDA, Agricultural Research Service.

Roberts' New Book Profiled In Chronicle Of Higher Education
Tufts Nutritionist's Research Makes Waves Across The Country

Sacrificing Food In The Name Of Nutrition
It takes dedicated researchers and disciplined volunteers to fuel nutrition studies, which lead to important discoveries about food and health.

Formula for Disaster
British researchers are working on a baby formula that would make infants resistant to obesity later in life. Tufts nutrition expert Susan Roberts is skeptical.

Volunteer for science.
Limiting calories may prove to be the 'fountain of youth'

Volunteer for the CALERIE study:
Researchers will explore whether healthy adults who eat a 25% calorie restricted diet for two years will experience biological changes thought slow the aging process and protect against age-related disease.