This document discusses nutrition and provides nutritional guidelines. It defines nutrition as the study of how the body uses food and identifies major nutrients like vitamins, minerals, protein, carbohydrates, and water that help maintain the body. It then lists 10 nutritional guidelines, including eating a variety of foods everyday to get needed nutrients, eating more vegetables and fruits for essential vitamins and minerals, consuming lean meats and dairy for healthy bones and tissues, limiting fatty and sugary foods, and attaining a normal body weight through food and exercise.