The USDA introduced the Food Pyramid in 1992 to help healthy Americans use the Dietary Guidelines to choose foods for a healthy diet. It is a graphic tool designed to convey the important dietary concepts of variety, proportion, and moderation. The food pyramid is designed to be useful; it builds on familiar food groups as an organizing framework. Foods are grouped not only by their nutritional content but also by how they are used. Let's meet the food pyramid:
