Facts About Colon Cancer Based on a study, one in 20 people will be diagnosed with colorectal cancer in their lifetime. The risk factors of colon cancer are physical inactivity, a high-fat diet, obesity, tobacco, and alcohol consumption. This infographic shows helpful facts about colorectal cancer, including symptoms and prevention. If you have a family history of colorectal cancer or have been diagnosed with the disease, it is very important for you to know the basic information about: treatment and choosing a colorectal cancer specialist.