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

A new kind of blood test promises to find cancer early—sometimes even before symptoms appear. The pitch is compelling: a single sample of blood could scan the body for dozens of different cancers at ...

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Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they work by analyzing samples of your blood to uncover ...

In the spring of 2021, the cancer field was abuzz over research that suggested a simple early-detection blood test could find dozens of different cancers, including many for which there is no routine ...