pg.156-165+Questions+SLS

__Read pages p.158-165.__
If one’s BMI is greater than 32 than you are considered obese. The BMI gives one an idea of how much of your body is fat.
 * 1. What is the rationale behind using BMI to judge obesity?**

Binge eating is associated with obesity, because it is over eating caused by stress, depression or anger.
 * 2. What disorders are associated with obesity?**

The high intake of refined carbs and fructose sweeteners could be the cause of obesity today because they all have a high glycemic index, and that causes the pancreas to produce insulin; and too much in too little time can cause an overload leading to diabetes.
 * 3. Why might carbohydrates be the cause of the obesity epidemic today?**

Fats might be the cause of obesity today because of the fact that they can block arteries with plaque (saturated fats and cholesterol). Trans fats are also contributors to obesity today.
 * 4. Why might fats be the cause of the obesity epidemic today?**

Trans fatty acids, cholesterol, and saturated fats.
 * 5. What types of fats are dangerous to our health?**

Omega-3 fatty acids.
 * 6. What type of fat is protective for cardiovascular disease?**

Proteins should not be eaten as a main energy source because the overload in amino acids causes the liver to secrete more urea, which is a main component of urine, and this causes calcium loss.
 * 7. Proteins provide the essential amino acids; why shouldn't they be eaten as an energy source?**


 * 8. What is the chief contribution of each of these in the body -- carbohydrates, proteins, fats, fruits, vegetables?**
 * Carbohydrates**: Energy source for the body.
 * Proteins**: Provides essential amino acids.
 * Fats**: Polyunsaturated fats provide two fatty acids that cannot be found in the body alone, and Omega-3 fatty acids are essential to our diet.
 * Fruits**: Provides essential vitamins and minerals to the body.
 * Vegetables**: Provides fiber as well as essential vitamins and minerals to the body.

The USDA Food Pyramid tells a person how much of a certain item they should be eating a day. (Example: 6 oz. of Grains every day.)
 * 9. In general, what does the USDA food pyramid tell you?**

Anorexia nervosa is a psychological disorder where one thinks they are fat and refuses to eat enough food to maintain a healthy body weight. Bulimia nervosa is where one binge-eats and then purges. Binge-eating is where one eats massive amounts of food and does not purge, and muscle dysmorphia is where one thinks that their muscles are underdeveloped and they spend countless hours muscle building.
 * 10. Name and describe four eating disorders.**