Alzheimer’s blood test ‘can pick up early symptoms’

A NEW blood test for Alzheimer’s disease can accurately detect people with early symptoms, research suggests.

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Experts from the Mayo Clinic in the US have provided further evidence that blood tests can work to accurately diagnose dementia, by examining two proteins in blood plasma. These proteins - amyloid beta 42/40 and p-tau217 - are associated with amyloid plaque build-up, which is a hallmark of Alzheimer’s disease. Researchers found the blood test was highly accurate, with 95% sensitivity, which means it was 95% accurat