Smith Could a simple blood test predict your risk of getting dementia years, or even decades, before you experience memory ...

A new blood test that detects a hallmark of Alzheimer's is poised to change the way doctors diagnose and treat the disease. The test, the first of its kind to be cleared by the Food and Drug ...

A new blood test that could help doctors identify whether a patient has Alzheimer’s disease was cleared by the FDA last week. The diagnostic tool, the Elecsys pTau 181 plasma test, is developed by ...

Want to B-positive about your health? Johns Hopkins researchers have developed a cutting-edge blood test that can detect signs of cancer three years before any symptoms surface. The breakthrough could ...

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 ...