This is a study guide for my healthy lifestyles course. What is the leading cause of death in the US? Followed by?

This is a study guide for my healthy lifestyles course.

1. What is the leading cause of death in the US? Followed by? 
2. Exercise increases academic success because of its effect on the brain where memory and learning take place. This area is called the ___________________________________.
3. What are the stages of change in the Transtheoretical Model? Be able to explain how you move from one stage to another.
4. Is the typical American diet too low in complex carbohydrates or protein? 
5. What is the primary function of proteins, carbohydrates and fats? 
6. MyPlate includes what foods and how much of each food? 
7. What are examples of complex carbohydrates? Simple carbohydrates? 
8. Which food group should you eat the most of? It is a major source of energy for work and cell maintenance.
9. Know which fats (oils) are "good" fats to eat and also know unhealthy fats.
10. When a person uses protein, instead of a combination of fats and carbs as a source of energy, what happens?
11. What are the water soluble vitamins? What are the fat soluble vitamins? 
12.  What percentage of fat, of protein and of carbohydrates should we consume? 
13. How many calories per gram are there for proteins, carbohydrates, fats and alcohol? Understand how to figure out how many calories are in various food items by knowing the number of grams of fat, protein or carbohydrates that are in the item and how many calories each of those grams are worth.
14. Who does not require nutritional supplementation? 
15. How much calcium do you need to help prevent osteoporosis? What is the role of vitamin D as far as calcium absorption?