I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the ...

Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) If you could take a simple blood test that could detect multiple types of cancer while ...

Researchers are studying tests called liquid biopsies, which can provide vital information about cancer genes using only a blood sample. A blood test to find cancer even before it shows any symptoms ...

A California company says its blood test can discover 50 types of cancer in early stages, and the U.K. will put that claim to the test. Grail, a startup health company backed by Bill Gates and Jeff ...

Free-floating DNA carrying cancerous mutations was detected in blood three years before any other signs of cancer appeared. If approved as a test, doctors might detect cancers sooner and treat them ...