Guardant Health markets Shield, an FDA-approved blood test for primary colorectal cancer screening. The Harris Poll conducted the survey from Feb. 24-26, 2026, among 1,189 U.S. adults, ages 45 and ...

The survey results reveal strong enthusiasm for blood-based screening options among adults aged 45 and older, the group ...

Their makers claim they can detect dozens of cancer types — but some scientists say they could be missing many cancers or ...

But whether patients should be getting the tests—as some already are—is not yet clear. New blood tests can detect cancer recurrence earlier than traditional scans, potentially giving doctors and ...