Add Yahoo as a preferred source to see more of our stories on Google. The new test may help reduce reliance on positron emission tomography or PET scans, a type of brain imaging that can be expensive.

A simple blood test shows promise as a way to detect Alzheimer’s disease, which could drastically improve the accuracy and speed of diagnoses. Currently, Alzheimer’s is diagnosed via a mixture of ...

The U.S. Food and Drug Administration has given marketing clearance to a blood test to help diagnose Alzheimer’s disease, making the test the first to get signoff to aid in the early detection of the ...