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Revolutionary blood test detects early cancer
Scientists at Johns Hopkins have developed a blood test that can detect signs of several cancers up to three years before any symptoms show. By looking for tumor DNA in blood samples, this test could change how early we catch cancer.
Catching cancer this early means treatments could start
In a study with 52 people, researchers found tumor DNA in blood even years before diagnosis for some participants. Catching cancer this early means treatments could start when tumors are still small and easier to manage, possibly leading to better outcomes. The team says more research is needed, but this could be a big step toward routine, less invasive cancer screening in the future.