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Cancer epidemiology is the study of the causes, distribution, and patterns of cancer in populations, with the goal of identifying risk factors that can help prevent the disease early. This research also helps identify factors that may cause cancer and develop improved treatments. The population studied can be small or large, ranging from hundreds to millions of people.
Cancer epidemiology research identifies risk factors for cancer and creates strategies to reduce the incidence of cancer through preventive interventions. The field focuses on the quantification of risks associated with lifestyle, nutrition and metabolism, and immune factors. For example, a study by the Deutsches Krebsforschungszentrum (DKFZ) studies the causes of cancer in population groups to identify and avoid risk factors so as to prevent cancer.
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