(WEB MD) – Viruses could play a key role in the development of Alzheimer's disease, a new study suggests.
Brains riddled with Alzheimer's disease contain high levels of two strains of human herpes virus, researchers discovered.
Human herpes virus 6 and 7 were found in Alzheimer's-affected brains at levels up to twice as high as in those without Alzheimer's, the scientists reported Thursday.
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A detailed genetic analysis found that herpes viruses appear to interact with human genes previously linked to Alzheimer's, said senior author Joel Dudley.