Health

Blood test could predict when Alzheimer's symptoms will start years in advance

February 23, 2026

Researchers at Washington University in St. Louis have developed a blood test that can predict the onset of Alzheimer's symptoms up to four years in advance by measuring the p-tau217 protein. This breakthrough could transform early diagnosis and inform personalized treatment strategies for those at risk.

Blood test could predict when Alzheimer's symptoms will start years in advance

Credit: Foxnews

Key Highlights

The blood test measures levels of the protein p-tau217.
It can predict Alzheimer's symptom onset within three to four years.
The test may facilitate early intervention and personalized care.
The p-tau217 protein indicates the buildup of amyloid and tau in the brain.

9e473724-a0c0-5cab-9772-4cc6a32815f2 fnc Fox News fox-news/health fox-news/health/nervous-system-health/alzheimers fox-news/health/brain-health fox-news/health/geriatric-health fox-news/lifestyle fox-news/health/medical-research article

Sources

This quick summary is automatically generated using AI based on reports from multiple news sources. The content has not been reviewed or verified by humans. For complete details, accuracy, and context, please refer to the original published articles.

Blood test could predict when Alzheimer's symptoms will start years in advance

Key Highlights

Sources

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