A blood test was able to predict the risk of dementia in women up to 25 years before symptoms appear, according to a new study ...

New research suggests that an existing blood test may help to determine when someone is likely to develop Alzheimer's disease ...

Researchers have discovered that a simple blood test may reveal powerful clues about longevity and overall health, potentially changing how doctors assess aging and disease risk.

A Long Island hospital is using a new blood test that could change how doctors evaluate certain head injuries, while saving patients time and money. CBS News New York's John Dias reports.

Researchers say the blood test could help identify people who may need further screening long before symptoms appear.

A new blood test detected early-stage pancreatic cancer with 87.5% accuracy in a study of 672 people. A new blood test that ...

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

Experts in the US found that higher levels of a protein called p-tau217 were an accurate predictor of people developing cognitive problems and dementia.

Multicancer assays leverage cfDNA methylation patterns to detect malignancy and infer tumor origin, with reported tissue-of-origin prediction approaching 87% accuracy in real-world experience. The 142 ...

Scientists develop a blood test that detects Alzheimer’s by measuring protein structural changes rather than protein quantity.

Multi-cancer blood tests promise early detection, but the evidence is thin, the risks real, and they’re no substitute for listening to your body.

A blood test is a medical procedure where a sample of a person's blood is taken (called a blood draw) and sent to a lab for analysis. Knowing the results of blood tests helps a physician better ...