Most cases of colon cancer begin as small, noncancerous (benign) clumps of cells called adenomatous polyps. Regular detoxification will help avoid serious problems and keep you feeling better, both mentally and physically. If signs and symptoms of colon cancer do appear, they may include changes in bowel habits, blood in your stool, persistent cramping, gas or abdominal pain. Gentle, no-impact exercise safe and beneficial for people of all ages. With the increase of toxins within the environment and foods we eat, it is not surprising that the majority of people are at a level of toxicity that is past the point that the bodies own natural detoxification system can cope with. Special screening programs are used for those with a family history of colorectal cancer.