History of USDA nutrition guides

（重定向自Four Food Groups）

MyPyramid, the revised USDA food pyramid.

The history of USDA nutrition guides includes over 100 years of American nutrition advice. The guides have been updated over time, to adopt new scientific findings and new public health marketing techniques. Over time they have described from 4 to 11 food groups. Various guides have been criticized as not accurately representing scientific information about optimal nutrition, and as being overly influenced by the agricultural industries the USDA promotes.

单词	Four Food Groups
释义	Four Food Groups 原声例句国土安全第1季 You ever hear of the four food groups? 你没听说过四类健康食物吗？英语百科 History of USDA nutrition guides （重定向自Four Food Groups） The history of USDA nutrition guides includes over 100 years of American nutrition advice. The guides have been updated over time, to adopt new scientific findings and new public health marketing techniques. Over time they have described from 4 to 11 food groups. Various guides have been criticized as not accurately representing scientific information about optimal nutrition, and as being overly influenced by the agricultural industries the USDA promotes.
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