What Are the Risk Factors?
Your risk of getting colorectal cancer increases as you get older. More than 90% of cases occur in people who are 50 years old or older. Other risk factors include having—
- Inflammatory bowel diseaseInflammatory bowel disease, Crohn’s disease, or ulcerative colitis.
- A personal or family historyfamily history of colorectal cancer or colorectal polyps.
- A genetic syndrome such as familial adenomatous polyposis (FAP)familial adenomatous polyposis (FAP) or hereditary non-polyposis colorectal cancer (Lynch syndrome).hereditary non-polyposis colorectal cancer (Lynch syndrome).
Lifestyle factorsLifestyle factors that may contribute to an increased risk of colorectal cancer include—
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- Centers for Disease Control and Prevention
Division of Cancer Prevention and Control
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- Contact CDC-INFO