Public policy in nutrition: Where does science fit in?

Discover the science behind public policy in nutrition from the Dietary Reference Intakes (DRIs) to the Dietary Guidelines to green "smart" checkmarks and health claims on food packaging. How science-based are the recommendations and who makes the decisions?

Joanne Lupton, Ph.D. (IOM) is a Distinguished Professor and William W. Allen Endowed Chair In Nutrition at Texas A & M University. She chaired the Macronutrients Panel of the National Academy of Sciences, which set the intake recommendations for energy, carbohydrates, dietary fiber, fat, and protein and also chaired the National Academy panel to determine the definition of dietary fiber and served as president of the American Society for Nutrition.

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