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Northwestern University
Changes linked to Alzheimer's disease evident even in young brains
Changes linked to Alzheimer's disease evident even in young brains

Scientists know that Alzheimer’s disease gains a foothold in a patient’s brain years before he or she first stashes car keys in the freezer, or gets lost coming home from the store. But a new study suggests that the changes in the brain that set the stage for Alzheimer’s may start decades -- indeed a lifetime -- before dementia symptoms appear. The latest research found that people as young as 20 have detectable levels of beta-amyloid molecules -- the building blocks of the amyloid plaques that are a key physical signs of Alzheimer’s -- in a group of brain cells that come under attack in Alzheimer's disease. In older people who were cognitively normal at the...

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