How can you lower the risk of colon cancer?

A prevention plan should reflect your age, health history, previous bowel polyps and family history rather than relying on a single food, supplement or test.

Some colon cancers develop from certain polyps in the bowel lining. Screening can identify these growths before symptoms appear, and colonoscopy allows a clinician to examine the colon and remove suitable polyps during the procedure.

The appropriate test and timing vary. A personal history of polyps, inflammatory bowel disease, an inherited cancer syndrome or colorectal cancer in close relatives may lead to a different plan from routine population screening.

Avoid tobacco and seek support to stop if you smoke. Keep alcohol intake low, move regularly, and work toward a weight that supports your overall health. Choose varied meals with vegetables, fruit, pulses and whole grains, while limiting processed meat.

Make screening actionable: record when it is due, complete any preparation exactly as instructed, and follow up an abnormal result. Tell your clinician about relevant diagnoses in parents, siblings or children and about any previous bowel polyps. No lifestyle routine eliminates risk, so healthy habits do not replace screening.

Contact a clinician if you notice persistent blood in your stool, a lasting change in bowel habit, ongoing abdominal pain, unexplained weight loss or unusual fatigue. Colorectal cancer may present with these symptoms, although non-cancer conditions can produce them as well.

Get urgent medical help for substantial rectal bleeding, fainting, severe abdominal pain, repeated vomiting, or abdominal swelling with inability to pass stool or gas. Screening is intended for people without concerning symptoms; it should not delay diagnostic assessment.

Useful questions include which screening method fits your risk, when you should start or repeat it, whether a family pattern suggests genetic counselling, and how earlier polyps affect follow-up. Mention medicines and supplements before changing them; taking a product solely to prevent cancer can carry harms or interactions.