The hunt for a simple blood test to detect Alzheimer’s disease

by Lisa M. Krieger

lab test
Credit: CC0 Public Domain

Even in the prime of our lives, while still healthy and clever, our brains may be secretly developing the deadly plaques and tangles of Alzheimer’s disease. The first sign of trouble is memory loss—and, by then, damage is done.

But innovative new blood tests can now detect these hidden signs of disease, years before the onset of heartbreaking symptoms.

The tests are not yet recommended for widespread screening of the general public, because improvements are…

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