The document summarizes data from the Pennington Biomedical Research Center on the hidden fat content of various foods. It provides a table listing common foods/products, their calories, grams of fat, and percentage of calories from fat. Many everyday items like beef franks, cheese, cookies, and salad dressing contain high percentages of hidden fat, with foods like mayonnaise composed of nearly 100% fat. The Pennington Biomedical Research Center conducts nutrition and preventative health research studies open to all ages and backgrounds.