A blood test could predict the risk of Alzheimer’s disease

High-tech analysis picks up minuscule bits of amyloid-beta floating in plasma

amyloid-beta illustration

STICKY SITUATION  Accumulations of a sticky protein called amyloid-beta (the tumbleweed-like balls in this illustration) can appear in the brain decades before a person develops Alzheimer’s disease.

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A new blood test might reveal whether someone is at risk of getting Alzheimer’s disease.