Alzheimer; News from the web:

When it comes to Alzheimer’s, what happens first: beta amyloid plaques, or the visible personality and cognitive changes common with the disease? Researchers have long believed that amyloid drives neurodegeneration in the brain. But it’s possible that subtle changes in a person’s thinking abilities may actually precede the development of beta-amyloid protein, providing more clues to the complexity of the disease, according to a new study.

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