Ch. 17 Notes

Ch. 17 Notes - Ch 17 Notes life Cycle Nutrition Adulthood...

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Ch. 17 Notes life Cycle Nutrition: Adulthood and the Later Years 1. Good nutrition and regular activity can increase life expectancy, support good health, prevent or prolong the onset of disease, and improve life. 2. There are many healthy habits that can increase life span. 3. A person’s physiological age and chronological age can be different. 4. The benefits of energy restriction in humans in the later years are being studied. 5. Observation of older adults A. Healthy habits a. Sleeping regularly and adequately. b. Eating well-balanced meals, including breakfast. c. Engage in physical activity. d. Not smoking. e. Not using alcohol, or using it moderately. f. Maintain healthy body weight. B. Physical activity a. Many benefits including lower weight, greater flexibility, increased endurance, better balanced and health, and a longer life span. b. Regular p.a. can prevent or delay the decrease in muscle mass and strength that occur with age. c. Active people benefit form higher energy and nutrient intakes. d. Start easy and build slowly. e. Check with physician. 6. Manipulation of diet A. Energy restriction in animals 1. Shown to prolong life.
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2. Shown to delay onset of or prevent disease. B. Energy restriction in human beings 1. Applying results in animal studies to human beings is problematic. 2. Moderation of energy intake may be valuable. 7. The Aging Process A. Physiological, psychological, social, and economic changes that accompany aging affect nutritional status. B. Everyday stress can influence physical and psychological aging. C. Stressors elicit the body’s stress response. D. Physical stressors including alcohol and drug abuse, smoking, pain, and illness. E. Psychological stressors include exams, divorce, moving, and the death of loved ones. F. Malnutrition is common. 8. Physiological Changes A. Body weight 1. 2/3’s of the adults in the U.S. are overweight or obese. 2.
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Ch. 17 Notes - Ch 17 Notes life Cycle Nutrition Adulthood...

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