A new blood test may reveal Crohn’s disease years before symptoms begin. The test detects an unusual immune response to gut ...

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 ...

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, ...

Scientists report that specific RNA patterns in blood may detect Parkinson’s disease early, opening a window for earlier care ...

Around four years ago, now 77-year-old John Gormly went for what was supposed to be a routine blood test. But the results were life-changing. The test suggested Gormly had colon cancer, which a ...

Researchers at Kumamoto University have developed a highly sensitive blood test that can detect subtle differences in how ...