Blood p-tau217 levels signal cognitive impairment risk years before symptoms emerge
A six-cohort study indicates that elevated levels of the protein p-tau217 in the blood can predict cognitive impairment years before clinical symptoms appear. While the findings offer promise for future risk modeling, researchers note that the test is not yet ready for routine clinical screening.
Why it matters
This biomarker could revolutionize early Alzheimer's detection, allowing for earlier intervention and better clinical trial recruitment.
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