Kyles Eldredge News Today

More than 10% of fecal immunochemical tests (FIT) have unusable samples putting people at risk for missing early cancer markers. FIT looks for blood in the stool and is different from Cologuard, which checks for blood and DNA markers.

One in five diagnoses of colorectal cancer are in people younger than 55, and advanced disease affects three in five people. Screening is the best way to "be well" — and reduce risk.