106A.Adult.stud - Chapter16 p.438439,492494,451...

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Chapter 16 p. 438-439, 492-494, 451 Adult Nutrition Key Nutrition Concepts 1. Quality of life: Enjoyment of good food Food security 2. Maximize peak physical and mental performance w/ good nutrition 3. Nutritional status affected by reproduction hormones 4. Good nutrition now is an investment in healthy old age. Definition of Adulthood  in the Life Cycle 0. Arbitrary divisions of ages in adulthood used in this book are: 0. Early adulthood—ages 20-39 yrs 1. Midlife—ages 40 to 64 yrs 2. Old age—age 65+  Importance of Nutrition 1. Shift from growth to maintenance 2. Foods have many roles: 0. A source of fuel 1. 2. 3. connection for socializing 4. reduce risk of premature death 3. Dietary fat doesn’t make us fat Physiological Changes of Adulthood 0. Nutritional emphasis: 5. Maintaining muscle strength 6. Avoiding excess visceral fat 
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1. Adequate nutrition is needed to replace body cells 7. Cell turnover is ongoing Hormonal Changes  Women 0. Hormonal changes linked to  menopause    Concerned about not gaining weight    Men 1. Hormones linked to  climacteric  change Concerned about weight management Climacteric   4. Gradual decline in testosterone begins at age 40 to 50 5. Dietary factors linked to changes: 8. Underweight    sperm count 9. Malnutritoin    libido 10. Alcohol  defective sperm 6. Body weight rises beginning ~age 40 Menopause 7. With cessation of menstruation, iron needs   from 18 to 8 mg/day 8. Loss of estrogen leads to: 11. 12. Increased abdominal fat 0. 9. HRT no longer prescribed to maintain bone density  Dietary Phytoestrogens
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10. Epidemiological 13. High-soy Asian diets   hot flashes 11. Precursors to phytoestrogens: 14.
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This note was uploaded on 09/08/2010 for the course NUFS 106A at San Jose State University .

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106A.Adult.stud - Chapter16 p.438439,492494,451...

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