The Award-Winning, Tell Me Why series based on the books by Arkady Leokum, "Tell Me Why" answers questions asked by children in an informative, easy to understand manner, aided by incredible visuals. This volume answers questions children ask about Food, Diet and Exercise. What is junk food? What is the food pyramid? Do I need to exercise? What types of exercise do I need? What are vitamins? How to stay healthy. What should I do if I am overweight? What makes me the weight I am? Proper food to eat. Do calories make us fat? Why does the body need water? What is the obesity epidemic? Subjects Covered Include: Junk Food, The Food Pyramid, Exercise, Vitamins, Staying Healthy, Overweight, A Healthy Diet, Calories, Water, Obesity Epidemic. Each program comes complete with its own study guide containing a glossary, additional questions and suggested learning strategies.