Key points
- Your risk of getting colorectal cancer increases as you get older.
- Lifestyle factors and genetic syndromes can also raise your risk.
Conditions that can increase risk
Your risk of getting colorectal cancer increases as you get older. Other risk factors include having:
- Inflammatory bowel disease such as Crohn's disease or ulcerative colitis.
- A personal or family history of colorectal cancer or colorectal polyps.
- A genetic syndrome such as familial adenomatous polyposis (FAP) or hereditary non-polyposis colorectal cancer (Lynch syndrome).
Lifestyle factors that may contribute to an increased risk of colorectal cancer include:
- Lack of regular physical activity.
- A diet low in fruit and vegetables.
- A low-fiber and high-fat diet, or a diet high in processed meats.
- Overweight and obesity.
- Alcohol consumption.
- Tobacco use.