Measuring brain plaques may yield clues to Alzheimer’s risk

http://consumer.healthday.com/Article.asp?AID=669532

A large amount of beta amyloid plaques in the brain may trigger more significant memory loss in healthy older people than the APOE ?4 allele, the genetic risk factor associated with Alzheimer’s disease, according to a new study. Researchers said the findings show that plaque-related brain decline may occur while people maintain normal memory and thinking, and that brain changes can be detected and measured while older people are still healthy.
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