Chapter 16_class2_olderadults_Instructor

Chapter 16_class2_olderadults_Instructor - Chapter 16...

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Chapter 16 – continued – Older Adults
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Why the Focus on Older Adults?
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What Is an “Older Adult”? At age 50, a person is considered an older adult. Adults are living longer: Life expectancy of person born in 1900 was 47 years Life expectancy of person born in 1990s is more than 75 years May 2009 – life expectancy in US in 77.9 http://www.cdc.gov/nchs/fastats/lifexpec.htm Advances in medicine and nutrition have contributed to the increased average life span. Number of older adults in U.S. will increase dramatically over next several decades
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Aging of the Baby Boomers Figure 16.5
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Older Adults’ Nutritional Needs and Issues Older adults need fewer calories , not less nutrition Nutrient needs are the same – so nutrient dense foods are best Metabolic rate declines with age due to loss of muscle mass and less physical activity Decline of 10 calories/year for men; 7 calories/year for women Older adults need to get enough fiber and fluids. Help reduce the risk of constipation and diverticulosis Thirst mechanism and kidney’s ability to concentrate urine declines with age
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More on Fluid Needs of Older Adults Older adults do not get as thirsty, so they may become dehydrated ~1,000,000 elderly check into hospitals due to dehydration (annually) Fluid needs are met mainly through water, juices, teas, and other beverages Women need ~11-12 cups of water while men need ~15 -16 cups of water from fluid and foods per day
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Older Adults and Intake of Vitamins A, D, and B 12 Overconsumption of preformed vitamin A may increase risk of osteoporosis and fractures Ability of skin to make vitamin D from sunlight, of intestines and kidneys to absorb and convert vitamin D into active form declines with age Need for dietary vitamin D doubles at age 50, triples
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Chapter 16_class2_olderadults_Instructor - Chapter 16...

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