Blood tests for tau, a key biomarker of Alzheimer’s disease, may predict dementia risk, a new study found. The best way to use the test, however, is unclear.

Australians have seen a flurry of headlines announcing the arrival of blood tests for Alzheimer’s disease. The news follows ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. A combined blood test for ...

Although blood tests aren’t what we would call fun activities (especially if you’re not a fan of needles or blood), they are an important part of maintaining your health, providing valuable insights ...