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Alzheimer’s blood test

·April 14, 2026·8 min read

Blood Test Predicts Alzheimer’s Years Before Scans

A blood test for pTau217 can predict Alzheimer's pathology and cognitive decline years before brain scans show abnormalities.

This shows a drop of blood and computer programming.

Featured Neurology Neuroscience

·March 31, 2026·8 min read

AI Identifies Multiple Dementias from One Blood Sample

Researchers developed an AI model that detects five neurodegenerative diseases from one blood sample. The tool identifies protein patterns that predict cognitive decline more accurately than clinical exams.

Featured Neurology Neuroscience

·January 10, 2023·4 min read

Blood-Based Markers May Reveal Alzheimer’s Disease Ten Years Before Symptoms Show

A new blood test can detect the GFAP protein at elevated levels in blood samples up to ten years before symptoms of Alzheimer's disease are first noticeable in those with an inherited form of the neurodegenerative disorder.

Featured Neurology Neuroscience

·December 5, 2022·4 min read

New Blood Test Can Detect ‘Toxic’ Protein Years Before Alzheimer’s Symptoms Emerge

A new blood test can detect toxic amyloid beta oligomers associated with Alzheimer's disease years before symptoms appear.

Featured Neurology Neuroscience

·April 23, 2020·5 min read

New blood test for Alzheimer’s developed

A newly developed blood test for Alzheimer's disease measures a specific variant of the tau protein. Early results show the test has a good capacity to distinguish Alzheimer's disease from other tauopathies.

This shows a researcher performing analyzes of blood work

Featured Neurology Neuroscience

·August 2, 2019·6 min read

Blood test 94% accurate at identifying Alzheimer’s before symptoms appear

A new blood test for Alzheimer's disease is up-to 94% accurate at predicting dementia before symptoms appear. The test's accuracy is increased when genetic predisposition and age are taken into account. The new test may eventually replace PET neuroimaging, currently considered the gold standard, for early detection of Alzheimer's.

This shows a researcher analyzing a blood sample

Featured Neurology Neuroscience Open Neuroscience Articles

·June 29, 2019·5 min read

New blood test for detecting Alzheimer’s disease to undergo trial

A new blood test to detect biomarkers for Alzheimer's disease is set to undergo trials in the Fall. The test will be able to identify traces of amyloid beta in blood samples with a high degree of accuracy.