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](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/02/013118_LH_alzheimer_feat.jpg?fit=860%2C460&ssl=1)
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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