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Fruit preparation for a food test.
Nutritional Sciences (NUTR)
Looking at Diet and Its Relationship to Health — From a Science Perspective
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Volumetrics - Rolls - NUTR
Research
Weight-loss plan developed at Penn State named one of the nation’s best

Volumetrics, a diet developed by Penn State Professor Barbara Rolls, has shown up near the top of the rankings of U.S. News & World Report’s annual rankings of best diets for each of the past 11 years.