Scientists at Washington University in St. Louis have discovered that healthy people with amyloid brain plaques have an increased risk of developing Alzheimer's disease later on.
The researchers analyzed the results of cognitive tests over the years, and found that people with the brain plaques had declining scores -- but those without the plaques did not. In addition, certain areas of the brain that are affected by Alzheimer's were smaller in people with the plaques.
The hope is that the scientists' work will eventually lead to a way to diagnose Alzheimer's earlier.
Read more about the research at Newswise.
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