EDKP 330 Lecture Notes - Lecture 2: Soho, Health Promotion, Public Health

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Published on 19 Nov 2012
Course
9/25/2012 4:57:00 PM
Epidemiology: basic science of public health
“The stud of how disease is distributed in the population and the
factors that influence or determine this distribution
Quantitative science
o Stats
o Study design
Looks at:
o Frequencies/types
o Groups with/at risk of disease
o Factors influencing their distribution
o Finding causes and prevention
Premis behind it
o Disease, illness are NOT randomly distributed in the
population
We have certain characteristics which make us more or
less prone
Genetics (inherited diseases)
Race
Public health: Science and practice of protecting, promoting, and improving
the health of a population and community
main difference b/w public heath and medicine: public health less focused
on individuals and treatment and more so on population and prevention
focused more on the health of the public as a whole
Cholera outbreak (1854)
o John snow: figured out that water was the source of the
spreading, not the spirits of the plague as originally thought
He figured it out by making a map of where the most
deaths occurred, and he found that it occurred mostly
around the main pump (broad street pump)
He removed the handle of the pump and stopped the
epidemic!
Biggest concern of public health are diseases influenced by genetics
and life style
o 60% of all deaths are chronic diseases
37% are CHD
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Office of disease prevention and health promotion: describe and
define Fundamental service of public health
Japan lives the longest
Females live longer then men
developed countries have a relatively good longevity vs others
contributing factors
o diet
o life style more physically active
o health care systems
In the past, infectious diseases were the main cause of death (1990)
Now chronic diseases are found to be the leading cause of death, at around
~60%
Note: Infectious: communicable
Comes from viruses, bacteria, fungi. Can be treated/cured with
vaccines/medicine
Chronic: noncummunicable
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