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Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

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population study  listen  (PAH-pyoo-LAY-shun STUH-dee)

  A study of a group of individuals taken from the general population who share a common characteristic, such as age, sex, or health condition. This group may be studied for different reasons, such as their response to a drug or risk of getting a disease.