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Lecture 2

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McGill University
Kinesiology&Physical Education
EDKP 330
David J Pearsall

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  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 (1
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