United States. Department of Agriculture.United States. Department of Health and Human Services.2012-05-082012-05-082010-12http://hdl.handle.net/10919/18685112 pages, glossary, tablesThis publication represents the 7th edition of the Dietary Guidelines. The Dietary Guidelines are usually released every five years or so. The Guidelines provide science-based nutrition guidelines for all Americans aged 2 years and older.en-USCreative Commons Public Domain Mark 1.0Nutrition- RequirementsObesityReducing dietsUnited StatesGovernment documenthttp://www.cnpp.usda.gov/Publications/DietaryGuidelines/2010/PolicyDoc/PolicyDoc.pdf