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This Alzheimer's Test Can Accurately Predict The Disease Before Symptoms Arise

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A new blood test can identify Alzheimer’s disease before symptoms arise with 94% accuracy, when taking into account age and genetic risk factors, experts have said.

Researchers from Washington University in St Louis said they can measure levels of the Alzheimer’s protein amyloid beta in blood and use these levels to predict whether it has accumulated in the brain.

Up to 20 years before people develop the memory loss and confusion of Alzheimer’s disease, damaging clumps of protein start to build up in their brains, the report said.

The findings, published in the medical journal Neurology, are a major step towards a blood test to diagnose people on track to develop the disease, before symptoms occur.

“Right now we screen people for clinical trials with brain scans, which is time-consuming and expensive, and enrolling participants takes years,” said senior author Randall J Bateman, professor of neurology in Washington University’s medical school. “But with a blood test, we could potentially screen thousands of people a........

© HuffPost