Blood test could revolutionise diagnosis of Alzheimer’s, experts say

Study finds measuring levels of a protein could be just as good at detecting disease as lumbar punctures

A blood test for detecting Alzheimer’s disease could be just as accurate as painful and invasive lumbar punctures and could revolutionise diagnosis of the condition, research suggests.

Measuring levels of a protein called p-tau217 in the blood could be just as good as lumbar punctures at detecting the signs of Alzheimer’s, and better than a range of other tests under development, experts say.

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