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Chapter 17

Health Sciences 1001A/B Chapter Notes - Chapter 17: Sarcopenia, Foodborne Illness, Dietary Fiber

Health Sciences
Course Code
HS 1001A/B
Shauna Burke

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Aging: a Vital Process
List strategies for healthy aging
aging is the process of becoming older, genetically determined but profoundly affected by environment
normal process of development that occurs throughout life
Generating Vitality as We Age
successful aging requires preparation, people need to establish good health habits in their teens and 20s
20s-30s develop important relationships and settle into a particular lifestyle
mid-40s known how much money they need to support lifestyle they chose
mid-50s revaluate financial and retirement plans
60s-70s think about retirement housing
aging inevitably occurs, even with the healthiest behaviour and environment
results from biochemical processes
physiological changes in organ systems combination of gradual aging, disease impairment
redundancy in most organ systems body's ability to function is not affected until damage is
fairly extensive
Life-Enhancing Measures: Age-Proofing
can prevent, delay, lessen, or even reverse some of the changes associated with aging with good habits
challenge your mind staying mentally active have lower levels of brain proteins linked to Alzheimer's
disease and dementia: the more complex the activity, the more protective
reading, learning language
doing puzzles
studying music
develop physical fitness exercise is beneficial against COD, stroke, prediabetes
lower blood pressure and healthier cholesterol levels
better protection against heart attacks, increased chances of survival
improved sleep
longer life expectancy
increased effectiveness of immune system
maintenance of strength, flexibility and balance
fluid intelligence is the ability to develop a solution when confronted with a new problem
depends on how fast responsiveness, memory and alertness is
regular physical activity prevents sarcopenia
sarcopenia is age-related loss of muscle mass, strength, and function
eating wisely good health at any age is enhanced by a varied diet full of nutrient-rich foods
taking vitamin D supplements
adequate amount of calcium
limit sodium intake
eat foods rich in dietary fibre and drink plenty of water to help prevent constipation
pay special attention to food safety more susceptible to food-borne illness
maintain a healthy weight weight management

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control drinking and overdependence on medication abuse of alcohol ranks with depression as a
commonly hidden health problem
signs of potential alcohol or drug dependence unexplained falls, frequent injuries,
forgetfulness, depression, malnutrition
don't smoke smokers suffer more illnesses that last longer
average pack-a-day smoker can expect to live about 13-14 years fewer than a non-smoker
subject to respiratory disabilities that limit vigour
premature balding, skin wrinkling, osteoporosis
schedule physical examinations to detect treatable diseases
when detected early, many diseases can be successful controlled by medication and life changes
blindness from glaucoma can be prevented
glaucoma is a disease in which fluid inside the eye is under abnormally high pressure, and can lead to
the loss of peripheral vision and blindness
recognize and reduce stress stress-induced physiological changes increase wear and tear on body
health behaviours you practice now are more influential in determining how long and how well
you will live than your behaviours at a later age
preventable poor health drains finances, emotions and energy contributes to poor
psychological health
enhancing wellness today ensuring wellness in future
Identify key physical, social and mental changes that may accompany aging and discuss how
people can best confront these changes
Dealing with the Changes of Aging
planning for social changes
as Canadians longevity has increased, people have begun spending a larger proportion of their
lives (avg. 20 years) in retirement
implications for establishing important relationships, developing satisfying interests outside work,
saving for an adequate retirement income
changing roles and relationships
changes in social roles are a major feature of middle age
couples amount of time they spend together increases, activity changes
parents empty nest syndrome when children become young adults and leave home, putting an
end to daily parenting in the home environment
increased leisure time
many people do not plan for or known how to spend their free time
diverse interests retirement is joyful and fulfilling period of life
opportunities for expanding horizons volunteering
economics of retirement
may meet a severely restricted budget, or financial disaster without planning ahead
20s-30s estimate how much money they need to support their standard of living, calculate their
projected income and begin a savings program
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