Individuals with a diet high in animal fat, and low in fruits, vegetables, and fiber. Substances in foods such as fruits and vegetables may de-activate these agents. Periodic examinations of your colon and rectum can lead to the identification and removal of polyps before they become invasive cancer. This requires a sample of stool to be studied for microscopic evidence of blood. A flexible sigmoidoscopy should also be conducted every five years.
Barium sulfate is used to partially fill and open up the colon.
Air is then inserted to cause the colon to expand further. Polyps may be instantly removed if found. A digital rectal exam should be conducted at the time of screening. This requires a physician to insert a gloved finger into the rectum to feel for any abnormalities. If you are in risk groups previously mentioned, you should begin screening for disease at an earlier age.