Free-floating DNA carrying cancerous mutations was detected in blood three years before any other signs of cancer appeared. If approved as a test, doctors might detect cancers sooner and treat them ...

Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological signals in ...

Cancer’s genetic fingerprints may lurk in people’s blood long before they find out about the disease. It’s possible to spot tumor DNA more than three years before a person is diagnosed with cancer, ...

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This article is part of “Innovations In: Alzheimer's Disease” an editorially independent special report that was produced with financial support from Eisai. The first hints that Gregory Nelson might ...

Scientists at Mass General Brigham have created HPV-DeepSeek, a blood test that can detect HPV-linked head and neck cancers nearly a decade before diagnosis. By finding viral DNA in the bloodstream, ...

A new, fast and easy test could revolutionize blood transfusions, giving blood centers and hospitals a reliable way to monitor the quality of red blood cells after they sit for weeks in storage.

Millions of people donate blood each year, saving countless lives. After a donation, plasma and white blood cells are ...

For decades, Parkinson’s disease has been diagnosed only after unmistakable symptoms such as tremor, stiffness, and slowed ...