Factory foods--or processed foods--are a part of most people's diets to some degree. How are they made? Why do we eat them? What nutritional value do they have? These and many other questions about factory foods are answered in this helpful guide to health and nutrition. With an emphasis on facts rather than judgments about food, readers are encouraged to learn about what they're eating with the help of accessible text, sidebars, and graphic organizers that break down complicated science concepts. In addition, full-color photographs and critical-thinking questions enhance the reading experience.