This book will teach and give an overview of the risk factors of colo-rectal cancer.Colon cancer can be prevented if there is early detection for colon polyp ;it is apre-cancerous lesions arises at the lining mucosa of colon and or rectum and if not removed it will transformed after 8 to 10 years to cancerous.it is easy to prevent colon cancer disease unless you have a non modifiable risk factors e.g family history.nurses have a vital role in such diseases.