The Pyramid Scheme: Visual Metaphors and the USDA's Pyramid Food Guides

摘要

In 1991 the United States Department of Agriculture (USDA) announced the creation of the Eating Right Pyramid, an icon designed to illustrate the federal government's recommendations for a healthy diet. Even before its release, the Pyramid was a source of controversy; nutritionists and public health officials criticized the project as an exercise in jurisdictional malfeasance, while beef and dairy farmers complained that the new diet deemphasized the nutritional benefits of their products.