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Colorectral (colon) cancer is a cancer of the colon or rectrum
and occurs primarily as people age. Additional risk factors include :
- 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 or hereditary
non-polyposis colorectal cancer (Lynch syndrome).
And lifestyle factors:
- 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.
Symptoms may include :
- A change in bowel habits (like skinny pencil-thin stools)
- Blood in or on your stool (bowel movement).
- Diarrhea, constipation, or feeling that the bowel does not empty all the way.
- Abdominal pain, aches, or cramps that don’t go away.
- Weight loss and you don’t know why.
In 2020, a new development in colorectal screening is that the CDC now
recommends that you get a colonoscopy at age 45 now. This used to start at age
References and more info
- CDC Colorectral risk factors
- CDC Colorectral cancer symptoms
- USPSTF changes recommended age for colorectal cancer screening to 45
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