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September 5, 2002

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To meet the body's daily energy and nutritional needs while minimizing risk for chronic disease, adults should get 45 percent to 65 percent of their calories from carbohydrates, 20 percent to 35 percent from fat, and 10 percent to 35 percent from protein, says the newest report on recommendations for healthy eating from the National Academies' Institute of Medicine. To maintain cardiovascular health at a maximal level, regardless of weight, adults and children also should spend a total of at least one hour each day in moderately intense physical activity, which is double the daily minimum goal set by the 1996 Surgeon General's report.

Joanne R. Lupton, Ph.D. Regents Professor and University Faculty Fellow and William W. Allen Endowed Chair in Nutrition, Texas A&M University and Chair, Panel on Dietary Reference Intakes for Macronutrients