Alzheimer’s blood test could predict onset up to 20 years in advance

Scientists at the Washington University School of Medicine in St Louis in Missouri believe the test can identify changes in the brain suggestive of Alzheimer’s with 94% accuracy, while being much cheaper and simpler than a PET brain scan.

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The results of the study, which was published in the journal Neurology on Thursday, represent a potential breakthrough in the fight against the disease.

“Right now we screen people for clinical trials with brain scans, which is time-consuming and expensive, and enrolling participants takes years,” said the senior author, Randall Bateman, a leading professor of neurology.

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