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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Selenio

Selenium (suh-LEE-nee-um)
A mineral that is needed by the body to stay healthy. It is being studied in the prevention and treatment of some types of cancer. Selenium is a type of antioxidant.



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