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The Latest

Alzheimer's disease research.

A Blood Test That Could Detect Alzheimer's Before Symptoms Develop

A blood test can accurately detect brain damage in people with Alzheimer's before they show memory loss, confusion, or cognitive impairment, say researchers.

Tau proteins in the brain.

A New Test for Alzheimer's and Chronic Traumatic Encephalopathy?

Researchers adapted a diagnostic test originally developed for prion diseases like mad cow disease to detect abnormal clusters of tau protein in the brain.

MRI scan.

Could MRI Scans Predict Dementia?

Magnetic resonance imaging (MRI) scans could one day be used to predict whether older adults will develop dementia, suggests a small study.

Eye scan.

This Eye Scan Can 'See' Early Alzheimer's

Results of two studies suggest that an imaging procedure called optical coherence tomography angiography (OCTA) can detect early signs of Alzheimer’s disease.

Doctor looking at brain scan images.

A Brain Imaging Technique That’s Better at Diagnosing Alzheimer’s

In an international study, researchers used a new brain imaging method to detect tau protein deposits in the brain that are unique to Alzheimer's disease.

Plaques and tangles in brain nerve cells.

Some Have Alzheimer’s Markers, No Dementia

People with Alzheimer’s markers who don't develop dementia have a unique synaptic protein signature that enables them to maintain cognitive function.

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When Tests for Mild Cognitive Impairment Get It Wrong

If you think you may have mild cognitive impairment, but tests show otherwise, you may want to ask for further screening.