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What is epidemiology?

Published online by Cambridge University Press:  09 May 2005

Norman J Vetter
Affiliation:
Cardiff University, Cardiff, Wales, UK
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Epidemiology is the study of how often diseases occur in different groups of people and why. Cancer epidemiology is therefore the study of how often cancer occurs in different groups and why. Part of the work on examining why is to measure the effect of factors which may put a patient at high risk of getting the type of cancer in question.

Type
Editorial
Copyright
© 2004 Cambridge University Press