What is Epidemiology
Epidemiology is considered the science of public health.
Epidemiology is based on the assumptions that:
Epidemiology is concerned with the frequency and pattern of health events in a population. They are also looking for causes of health related events.
Frequency includes not only the number of such events in a population, but also the rate or risk of disease in the population.
The rate (number of events divided by size of the population) is critical to epidemiologists because it allows comparisons across different regions, and different populations.
They look at Time, Place, and Person. By analyzing the data they can determine the outcome.
The other type of epidemiologist, the research epidemiologist, works in medical schools and government agencies.
Public Health employs Research epidemiologists to look into health concerns.
Things like chemicals in water or second-hand smoke are studies to see how they affect the spread of illnesses.
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