SAN FRANCISCO -- A new commercially available test called T-Detect has received emergency use authorization from the FDA. The manufacturer says it has the power to tell most patients whether or not ...

Easier than a blood test, saliva tests have the potential to detect cavities, infections and even cancer. But a lack of ...

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

A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in diagnoses at later stages of the disease.

Blood tests are helpful for monitoring your overall health. But research suggests they can also give us clues about the ...

"No cancer signal detected." The blood test results popped up in my online health portal without much fanfare. A doctor would chat about them with me later, congratulating me on the "phew"-worthy ...

Despite efforts by test maker Grail to highlight outcomes the company considers positive, some experts are warning against using the Galleri test and others like it.