Alzheimer's cold sore virus link

Evidence is building that the cold sore virus may be linked to Alzheimer's disease, an expert says.

In lab tests, Manchester University found brains infected with the herpes simplex virus, HSV-1, saw a rise in a protein linked to Alzheimer's.

Scientists believe the discovery could pave the way for a vaccine that may help prevent the brain disorder, New Scientist magazine reported.

But such a breakthrough was a long-time off, experts said.

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