This study is a major step forward in understanding MS. It shows that the disease begins quietly, years before patients ...

The A/G ratio test measures albumin and globulin levels in your blood. You may need to fast for up to 12 hours before getting the test. If you have a low A/G ratio, it may be a sign of liver disease ...

A large-scale study of proteins in blood and cerebrospinal fluid could pave the way for improved blood tests to diagnose multiple brain diseases — and potential early warning signs of disease risk — ...

The FDA has cleared Elecsys pTau181, the first blood test for use in primary care to help rule out Alzheimer’s disease in ...

When doctors suspect Alzheimer's, they can order a blood test to learn whether a patient's brain contains the sticky amyloid plaques that are a hallmark of the disease. But the results of that test ...