SLICEnutrition+homework+1

1. What is the rationale behind using BMI to judge obesity? Because it shows you an idea of how much of your weight is due to adipose tissue, or fat 2. What disorders are associated with obesity? Cardiovascular disease, high cholesterol, 3. Why might carbohydrates be the cause of the obesity epidemic today? It is said that they have a high glycemic index because the blood glucose response to these foods is high. When the blood glucose level rises rapidly, the pancreas produces an overload of insulin to bring the level under control. 4. Why might fats be the cause of the obesity epidemic today? Because people eat what tastes good to them. And they don’t care about their health. Because obesity is caused by fat, they are the cause because obesity means your to fat. 5. What types of fats are dangerous to our health? Trans fatty acids 6. What type of fat is protective for cardiovascular disease? Saturated fats 7. Proteins provide the essential amino acids; why shouldn't they be eaten as an energy source? Because if they are used up as all energy, you cannot grow. 8. What is the chief contribution of each of these in the body -- carbohydrates, proteins, fats, fruits, vegetables? Carbs=energy Proteins=building materials Fats=energy/insulation Fruit=energy sugars vitamins Vegetables=fiber vitamins 9. In general, what does the USDA food pyramid tell you? It tells you how much of what is healthy to eat in one day, what food groups. 10. Name and describe four eating disorders. Anorexia – people have a mistaken body image and they think they are fat even though they are thin Bulimia – people overeat and then throw up all their food Muscle dysmorphia – people think their muscles are undeveloped and they work out a lot. Binge-eating disorder – episodes of overeating followed by throwup.