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Blood Tests Achieve 90% Accuracy in Detecting Alzheimer's

3/5/2026

Summary

Story summary

A Nature Aging study shows blood tests can detect Alzheimer's disease and frontotemporal lobar degeneration (FTLD) in Latin American populations.
Researchers analyzed blood samples from 605 participants, measuring proteins, achieving 83% accuracy for Alzheimer's and 88% for FTLD.
Combining blood tests with cognitive assessments and brain scans increased accuracy to 90% for Alzheimer's and 96% for FTLD.
Future research should track patients over time and use more rigorous verification methods.

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Story summary

A Nature Aging study shows blood tests can detect Alzheimer's disease and frontotemporal lobar degeneration (FTLD) in Latin American populations.
Researchers analyzed blood samples from 605 participants, measuring proteins, achieving 83% accuracy for Alzheimer's and 88% for FTLD.
Combining blood tests with cognitive assessments and brain scans increased accuracy to 90% for Alzheimer's and 96% for FTLD.
Future research should track patients over time and use more rigorous verification methods.