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

For asymptomatic people without known risks, the downsides and uncertainties of multi-cancer early detection testing could ...

Don't worry, it's not stressful and there's no treadmill in sight. The nonstress test is a check of your baby's well-being. Here's more about why you might have one.

Multi-cancer blood tests promise early detection, but the evidence is thin, the risks real, and they’re no substitute for listening to your body.