U.S. Navy Cmdr. Candida Ferguson, a general surgeon at Naval Hospital Jacksonville, talks with a patient about colorectal cancer screening. The Defense Health Agency established new age recommendations for screenings. Regular screening with a stool test, sigmoidoscopy, or colonoscopy, beginning at age 45, is the key to preventing colorectal cancer and finding it early. (Photo: Deidre Smith, Naval Hospital Jacksonville)
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Last Updated: November 22, 2022