The following factors increase the risk of developing a colorectal cancer:
- The age : the chances of developing the disease may dramatically increase after the age of 50. 37% of patients are 50 to 69 when they are diagnosed, 55% are 70 and older
- Some inherited diseases of the intestine: inherited non-polyposis colorectal cancer and familial adenomatous polyposis (FAP)
- Intestine diseases (polyps, colorectal cancer) among near relations: father, mother, siblings
- A personal history of intestinal polyps
- Inflammatory chronic diseases of the intestine: ulcerative colitis or Crohn’s disease
- Dietary factors are involved (Diets that are high in red and processed meats), Alcohol, tobacco.
