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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Estudio de la evolución natural

Natural history study (NA-chuh-rul hih-STOR-ee STUH-dee)
A study that follows a group of people over time who have, or are at risk of developing, a specific medical condition or disease. A natural history study collects health information in order to understand how the medical condition or disease develops and how to treat it.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.