Study evaluates biomarker criteria for assessing Alzheimer’s risk

Study evaluates biomarker criteria for assessing Alzheimer's risk
An image taken from a normal brain is shown on the left. Dilation of the ventricles (arrow) in the brain image on the right is a sign of atrophy that CT and MRI scans can measure. Credit: Adult Changes in Thought (ACT) study team

One of the biggest challenges in Alzheimer’s research is to identify biomarkers that can identify people who are at risk of developing dementia. Biomarkers could be used to screen people so they might be helped before they develop dementia.

Researchers have focused primarily on three such biomarkers. Two are Alzheimer’s-related proteins, amyloid and tau. Amyloid forms clumps in brains, and tau forms skeins of filaments called…

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