• Over the last few years, research has been published showing a potential link between the shingles vaccine and a lower risk for dementia.
• Research published in April 2025 found that people receiving the shingles vaccine had a 20% lower risk of developing dementia over the next seven years.
• A new follow-up study suggests receiving the shingles vaccine may also benefit those already living with a dementia diagnosis by helping to slow down disease progression.

Written by Corrie Pelc on December 5, 2025 — Fact checked by Jill Seladi-Schulman, Ph.D.

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