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Cold Sore Virus May Be a Hidden Driver of Alzheimer’s Disease
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Cold Sore Virus May Be a Hidden Driver of Alzheimer’s Disease

Data links herpes simplex virus 1 to increased odds of Alzheimer’s disease, with antivirals showing possible protective effect

Naveen Sankar S's avatar
Naveen Sankar S
May 26, 2025
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Cold Sore Virus May Be a Hidden Driver of Alzheimer’s Disease
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A new analysis using data from over 344,000 U.S. patients suggests that individuals with a history of herpes simplex virus 1 (HSV-1) infection may face an 80% higher risk of developing Alzheimer’s disease, with antiviral treatments possibly offering some protection.

Study Details

The study, published in BMJ Open, used the IQVIA PharMetrics Plus cla…

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