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  1. MyPlate | U.S. Department of Agriculture

  2. Healthy Eating Pyramid – The Nutrition Source

  3. Food pyramid (nutrition) - Wikipedia

  4. Food Guide Pyramid - an overview | ScienceDirect Topics

  5. Using a Food Pyramid: How To Make It Work for You

  6. Food pyramid | Origins, History, Variations, Debates, & Facts

  7. Dietary Health - USDA