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Experts Warn Against Quest's Controversial Alzheimer’s Blood Test

6/10/2025

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Summary

Story summary

Quest Diagnostics is pushing its AD-Detect blood test for Alzheimer’s screening in healthy individuals, even as experts caution against it. The test's low specificity can result in false positives, leading to undue anxiety and financial strain. Experts advocate for its use solely in symptomatic patients, highlighting the urgent need for reliable diagnostic methods in healthcare.

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Story summary

Quest Diagnostics is pushing its AD-Detect blood test for Alzheimer’s screening in healthy individuals, even as experts caution against it. The test's low specificity can result in false positives, leading to undue anxiety and financial strain. Experts advocate for its use solely in symptomatic patients, highlighting the urgent need for reliable diagnostic methods in healthcare.