Vascular brain injury greater risk factor than amyloid plaques in cognitive aging

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Feb. 11, 2013 — Vascular brain injury from conditions such as high blood pressure and stroke are greater risk factors for cognitive impairment among non-demented older people than is the deposition of the amyloid plaques in the brain that long have been implicated in conditions such as Alzheimer's disease, a study by researchers at the Alzheimer's Disease Research Center at UC Davis has found.

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Published online February 11 in JAMA Neurology (formerly Archives of Neurology), the study found that vascular brain injury had by far the greatest influence across a range of cognitive domains, including higher-level thinking and the forgetfulness of mild cognitive decline.

The researchers also sought to determine whether there was a correlation between vascular brain injury and the deposition of beta amyloid (
 
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