chemoprevention

(KEE-mo-pre-VEN-shun) The use of drugs, vitamins, or other agents to try to reduce the risk of, or delay the development or recurrence of, cancer.

(KEE-moh-preh-VEN-shin): Using things such as drugs or vitamins to try to prevent or slow down cancer. Chemoprevention may be used to help keep someone from ever getting cancer. It is also used to help keep some cancers from coming back.