Scientists get closer to blood test for Alzheimer's disease

 


An experimental blood test was highly accurate at distinguishing people with Alzheimer's disease from those without it in several studies, boosting hopes that there soon may be a simple way to help diagnose this most common form of dementia.

Developing such a test has been a long-sought goal, and scientists warn that the new approach still needs more validation and is not yet ready for wide use.

But Tuesday's results suggest they're on the right track. The testing identified people with Alzheimer's vs. no dementia or other types of it with accuracy ranging from 89% to 98%.

"That's pretty g...



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