Human: My doctor has suggested that I get a colonoscopy, but I'm afraid. Is it necessary? Assistant: 
It is recommended that you have a colonoscopy to check for any polyps or other abnormalities in your colon. However, if you are at low risk for colorectal cancer and do not have symptoms of digestive problems, then the risks associated with the procedure may outweigh the benefits. Therefore, it is important to discuss this decision with your doctor.