When your large intestine, or colon, is working smoothly, you hardly think about it. But when it isn’t functioning properly, it can create a host of problems far beyond constipation or diarrhea. It ...

I had rectal bleeding, the most common symptom of colon cancer in people under 45. I also had a family history of colon cancer, which pushed me to get a colonoscopy at 33. My out-of-pocket colonoscopy ...