Alzheimer’s blood tests are getting better, but still have a ways to go

Photo caption: By measuring levels of key proteins in the blood, tests help doctors know whether a person has signs of Alzheimer’s disease in the brain. Photo credit: Andrew Brookes / Image Source / Getty Images Plus. Article by Laura Sanders. Science News – August 2, 2024. Preprint: medRxiv.org.

Alzheimer’s disease is hard to diagnose. But proteins in the blood might provide clarity. A series of recent findings, presented at the annual Alzheimer’s Association International Conference in Philadelphia and in research papers, raise the possibility of a simple blood draw to help doctors figure out if a person’s cognitive problems are caused by Alzheimer’s — or something else. […]

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