Q: I know that colonoscopies are more thorough than the at-home DNA stool test for colon cancer. But how much better? I have such a terrible time with anesthesia and gas. Both make me nauseated for ...

Regular colon cancer screenings can help find and treat the disease early. There are multiple alternatives to colonoscopy, including stool tests and sigmoidoscopy. Stool tests for colon cancer can be ...