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Lecture

Fall 2010: Topic 1 Lecture Notes These includes the notes for topic one of health 101 called introduction to health and disease


Department
Health Studies
Course Code
HLTH 101
Professor
Glenn Ward

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Tuesday September 14, 2010
Topic one: Introduction to Health and Disease
1. Definitions
a. HEALTH
Negative
- the absence of disease/illness, medical
Positive
- Determined by the world health organization
- Complete well being
- Physical, mental, and social
b. ILLNESS
- A subjective term
- Based on the individual
c. DISEASE
- An objective term
- Verifiable through diagnostic criteria
- Professional consensus
2. First Principles of health research and practice
a. HEALTH STATUS CAN CHANGE OVER TIME
- Look at the health of populations through a difference in
individuals habits and environment
b. WE CAN LEARN THE CAUSES OF THESE HEALTH CHANGES
- Systematic observations
- Measurement
- Interpretation
c. WE CAN USE KNOWLEDGE TO CHANGE HEALTH STATUS
- Principled argument
- Disseminate information (circulate)
- Apply knowledge to change health status
3. Measuring the Burden of Disease
a. MORTALITY
- Death (no pulse, no brain activity)
- Death rate per unit time, per demographic group, per cause, etc.
- Crude rate = # of deaths per unit time
# of people
- Adjusted rates is another way to measure mortality, this is based
on cause, age, etc.
- This is a simple way to measure death; problems include if the
illness is non fatal and mortality rate doesn’t measure suffering
b. MORBIDITY
- Illness, suffering
- How many people get sick?
- How many people are sick?
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