chapter 8 textbook notes

chapter 8 textbook notes - K inesiology Chapter 8 H unger -...

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Kinesiology Chapter 8 Hunger - the drive to eat- is one of our most basic motivations, compelling us to go out, find, and consume the food that will supply our bodies with energy and raw material Nutrients - chemical compounds that supply the energy and raw materials we need to survive Nutrients include: o Water o Proteins o Carbohydrates (starches and sugars) o Lipids (fats and oils) o Vitamins o minerals nutrition - the study of how people consume and use the nutrients in food a good diet: o helps sustain desirable body mass and weight and helps keep your fat-to-lean ratios within a recommended range o can help alleviate feelings of stress and depression, while a poor diet can contribute to them o can act as a preventative medicine, helping you to avoid chronic diseases, frequent colds and infections, and the effects of vitamin deficiency I. Why are the college years a nutritional challenge A. Most students have less than optimal eating habits Fewer than 5 servings of fruits and vegetables each day
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Lack of nutritional knowledge contributes to students’ poor eating habits Students do not consume enough fruit, vegetables, whole grains, milk, and fiber Students consume too much protein, saturated fat, salt, sugar, and too many refined carbohydrates B. College life presents obstacles to good nutrition Fast food and takeout appear to solve both time and money issues, but the food at these places often provide poor nutrition Buy fruits and vegetables that are in season Buy more plant proteins (beans and tofu) and less meat, fish, or poultry Our natural craving for sweet, fatty, and high protein foods can lead to poor nutrition Childhood patterns can also be obstacles to good nutrition Self perception of body image can be another obstacle to eating well o Vast majority want to lose weight while a small minority want to gain weight or add muscle o This can explain while some students skip meals Stress and social eating are additional contributors to poor diet o People under stress often eat more, especially high caloric foods, and get little sleep, which can lead to using food, caffeine, sugar, and alcohol to alter mood and energy levels People under stress often seek out the relief of socializing for relaxation II. What are the main nutrients in food
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Essential nutrients- nutrients we must obtain from food for normal body functioning o Protein o Carbohydrates o Fats o Vitamins o Minerals o Water consuming nutrients keeps our internal “production line” efficiently manufacturing cell parts and usable energy compounds nutritionists measure the nutrients in individual foods, the energy stored in those nutrients, and the way our bodies release and use raw materials and energy during digestion process…they measure the released energy in calories one calorie (lowercase c) is the amount of energy required to raise the temperature of 1 gram of water 1 degree Celsius a
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chapter 8 textbook notes - K inesiology Chapter 8 H unger -...

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