http://articles.mercola.com/sites/articles/archive/2005/04/09/food-pyramid-part-four.aspxThe Dietary Guidelines for America (DGA), which are sponsored by the U.S. Department of Agriculture (USDA) and make up the foundation of the Food Guide Pyramid, are neither nutritionally or biochemically sound. In fact, many experts now believe that theenCommunityServer 2008.5 SP1 (Build: 31106.3070)