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.

The pitch is compelling: a single sample of blood could scan the body for dozens of different cancers at once, catching disease at a stage when it is easier to treat and more likely to be curable. For ...

"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 ...

Oncodetect uses whole exome sequencing to analyze circulating tumor DNA, providing quantitative insights into disease status for informed treatment decisions. The test offers a "Detected" or "Not ...

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.