The 12 Best Ways to Prevent Colorectal Cancer
Eat black raspberries
This one doesn't have the rock-solid evidence of benefit that, say, quitting smoking does.
Although the research is in its early stages, some studies in mice and lab dishes, suggest you may be able to reduce your colorectal-cancer risk by eating black raspberries.
Eating a lot of fruits and vegetables in general could slightly lower your risk of colorectal cancer, while not eating enough could raise the risk. The American Cancer Society recommends "five or more servings of a variety of vegetables and fruits every day."