“Regular screening, beginning at age 45, is the key to preventing colorectal cancer (cancer of the colon or rectum). If you’re 45 to 75 years old, get screened for colorectal cancer regularly. If you’re younger than 45 and think you may be at high risk of getting colorectal cancer, or if you’re older than 75, talk to your doctor about screening.
Colorectal polyps and colorectal cancer don’t always cause symptoms, especially at first. That is why getting screened regularly for colorectal cancer is so important.”
Centers for Disease Control and Prevention-CDC (https://www.cdc.gov/cancer/dcpc/resources/features/colorectalawareness/index.htm)