Why is the need to explore the impacts of age on health essential?
General populations are starting to live longer
Two categories Gerontologists use to distinguish the aging ppn
1) Maximum life span
2) Life expectancy
Maximum life span
Maximum number of years a member of a species can live
Life Expectancy
The number of years at birth an average member of the ppn can live
Maximum Life Span Average
Somewhere between 110 to 125 years old, which has surprisingly stayed relatively the same for the last 10,000 years
Increases of Life Expectancy
Has increased substantially over time (average LE in Ancient Rome was 22 years old to now with an average of 75-83 years old depending on other social factors
Intrinsic Aging
Normal changes to the body to ‘wear and tear’, genetic mutation and internal sources of change
Four criteria of Intrinsic Aging describing senescence
1) Takes place for all members
2) It is basic to the organism
3) It is progressive
4) It leads to the decline of physical functioning
Extrinsic Aging
Changes to the body due to external circumstances, including pollution, UV exposure, and noise
What percentage of people aged 60+ experience disease
23% (Globally)
What are older people at increased risk for
Ageism
DOH impacts on Aging
Negative Health Behaviours
How a large portion of this inequity may be due to ageist stereotypes
Social Vulnerability Model
Concept of social vulnerability
Three Components of Social Vulnerability
1) Risk of Exposure to Illness or Prolonged Illness (Social factors/location, social support/networks, like the broken arm syndrome)
2) Sensitivity to Illness or Prolonged Illness (SDoH, affluent vs low income neighbourhoods, pollution or not, systematic racism or not, clean water or not)
3) Adaptive Capacity to Illness or Prolonged Illness (Macro-level structures, can we climb out of illness as easily as others, social/economic/cultural capital, whether we can afford to get ourselves out of social vulnerability (higher economy, higher education, higher social)