Is colon cancer preventable?

Colon cancer: Yes. For example finding colon polyps while they are still benign and removing them can prevent the polyp from turning to cancer. A healthy life style and not smoking can prevent cancers.

For the most part.: Early detection via colonosocpy, not ignoring symptoms such as bleeding, change in bowels, anemia, unintentional weight loss, and not assuming all rectal bleeding is from hemorrhoids are some ways to reduce your chances and maybe prevent colon cancer from developing.