What is health?: “an absence of…” (2)
(1) objective signs that the body is not functioning properly, such as measured high blood pressure
(2) subjective symptoms of disease or injury, such as pain or nausea
**THERE ARE ISSUES WITH THIS DEFINITION
Aaron Antonovsky introduced the idea of…
illness/wellness continuum
illness/wellness continuum - end points?
Death <-> Optimal Wellness
Aaron Antonovsky - proposed that we give more attention to…
what enables people to stay well than to what causes people to become ill
WHO definition of health
“a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity”
Canadians today vs in the past: 2
Life span? Types of illnesses?
During the seventeenth, eighteenth, and nineteenth centuries, people in North America mainly suffered and died from two types of illness:
dietary and infectious
Dietary diseases result from…
malnutrition
Infectious diseases are/result from…
acute illnesses caused by harmful matter or micro-organisms, such as bacteria or viruses, in the body
(continue to be a main cause of death specifically in lower income or developing countries)
– Illness patterns in Canadian History –
Indigenous groups - what happened?
Illness patterns in Canadian History
Beothuk of Newfoundland and the Sadlermiut Inuit of Southampton Island in Hudson Bay, were completely eradicated, partly as a result of these diseases
Impact on Indigenous Groups - #1
Illness patterns in Canadian History
First, the native populations had never been exposed to these new micro-organisms, and thus lacked the natural immunity that our bodies develop after lengthy exposure to most diseases
Impact on Indigenous Groups - #2
Illness patterns in Canadian History
Second, their immune functions were likely limited by a lower degree of genetic variation
Impact on Indigenous Groups - OUTCOME
Illness patterns in Canadian History
By the end of the nineteenth century, deaths from infectious diseases began to decrease sharply through- out North America - WHY?
Illness patterns in Canadian History
20th century: Following the war, the proportion of deaths due to acute infection
Illness patterns in Canadian History
fell dramatically, replaced by increasing deaths from chronic illnesses like heart disease and cancer
It is estimated that the average Canadian will spend approximately _ years in good health
Illness patterns in Canadian History
The main health problems and causes of death in Canada and other developed countries today are:
Illness patterns in Canadian History
chronic diseases: degenerative illnesses that develop or persist over a long period of time — such as heart disease, cancer, and stroke
Chronic diseases are not new, but they were responsible for a much smaller proportion of deaths before the twentieth century. Why? #1
Illness patterns in Canadian History
More people are living to the age when they are at high risk for contracting chronic diseases
Chronic diseases are not new, but they were responsible for a much smaller proportion of deaths before the twentieth century. Why? #2
Illness patterns in Canadian History
Are the main causes of death in childhood and adolescence different from those in adulthood?
YES
– The Renaissance + Later –
During this time, scholars became more…
The Renaissance + Later
“human-centered” than “God-centered”
René Descartes (17th century): Regarded the mind and body as…
The Renaissance + Later
separate entities, a perspective that came to be known as Cartesian dualism