Colon Cancer is a killer and about the only way to prevent it from killing you early in life is to detect it in the beginning stages in order to treat it. There are many foods you can eat to keep your colon working well and keep out the bad bacteria build up. Eating right and staying away from vices can help you prevent colon cancer. Here is a concept, which may help kill unwanted harmful bacteria in the colon. This idea stems from the new advances and innovations of UV light to clean water. The only problem is how do you get light where the catch phrase says;