They have 'Alzheimer's brains' but no symptoms. Why?

They have 'Alzheimer's brains' but no symptoms. Why?

STAT Plus: They have ‘Alzheimer’s brains’ but no symptoms. A new wave of drug developers wants to know why

By SHARON BEGLEY

EVAN VUCCI/AP

“You can have abundant plaques and tangles without having Alzheimer’s disease,” said one neurologist. “The challenge is to figure out how."

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