By including dairy and eggs they have more variety and add flexibility to their diets. While not suggesting total vegetarianism, there are benefits to vegetarian meals two or three times a week.
Vegetarian dishes can be lower in fat and higher in fiber.
Preheat oven to 350 degrees. Stir in corn and chilies. Wrap tortillas tightly in foil and place in oven for 10 minutes. While tortillas are heating, heat oil in large nonstick skillet over medium heat. Add tofu mixture.