NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,122 terms related to cancer and medicine.

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beta carotene
(BAY-tuh KAYR-uh-teen)
A substance found in yellow and orange fruits and vegetables and in dark green, leafy vegetables. The body can make vitamin A from beta carotene. Beta carotene is being studied in the prevention of some types of cancer. It is a type of antioxidant.