Years ago, folks had little good to say about soy foods. Tofu, which is made from soy, was maligned as a food for "nutty" vegetarians. Textured vegetable protein, a soy-based meat extender, was called "mystery meat." Today, however, people are jumping for soy as the benefits of soy foods are recognized. Here is information to help you understand the health and nutritional power of soy, along with tips to help you add more soy to your diet.