It is estimated that as many as 60% of colorectal cancer deaths could be prevented if all men and women aged 50 years or older were screened routinely. 60%! And all it takes is regular screening.
Colorectal cancer almost always develops from precancerous polyps (abnormal growths) in the colon or rectum. Screening tests can find precancerous polyps, so that they can be removed before they turn into cancer. Screening tests can also find colorectal cancer early enough so that treatment will work best.
Some studies have shown that increased physical activity and maintaining a healthy weight may decrease the risk for colorectal cancer. Evidence is less clear about other ways to prevent colorectal cancer.
At the moment, there is no consensus on the role of diet in preventing colorectal cancer; however, medical experts recommend a diet low in animal fats and high in fruits, vegetables, and whole grain products to reduce the risk of other chronic diseases, such as coronary artery disease and diabetes.
Researchers are also examining the role of certain medications and supplements, including aspirin, calcium, vitamin D, and selenium, play in preventing colorectal cancer. While these supplements may reduce the risk of colorectal cancer, the most effective way to reduce your risk is by having regular colorectal cancer screening tests beginning at age 50.
You should begin screening for colorectal cancer soon after turning 50; then continue getting screened at regular intervals. However, you may need to be tested earlier or more often than other people if:
• You or a close relative have had colorectal polyps or colorectal cancer
• You have inflammatory bowel disease.
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