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A routine shingles shot may offer powerful defense against dementia

A study of over 280,000 older adults in Wales found shingles vaccination cut dementia risk by 20% and halved dementia-related deaths among those with the disease.

  • A routine shingles shot containing a live-attenuated virus may offer protection against dementia, lowering the likelihood of a dementia diagnosis by 20% compared to those who did not receive it.
  • Individuals with dementia who received the shingles shot were significantly less likely to die from dementia in the next nine years, suggesting the disease progressed more slowly in the vaccinated group.
  • The protective effect of the shingles vaccine against dementia appeared to be much stronger in women than in men, though the reason is unclear.
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Shingles vaccine may slow progression of dementia, new study suggests

The shingles vaccine not only offers protection against the painful viral infection, but a new study suggests that the two-dose shot also may slow the progression of dementia.

·Atlanta, United States
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Bias Distribution

  • 44% of the sources lean Left, 44% of the sources are Center
44% Center

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WAAY-TV broke the news in Huntsville, United States on Tuesday, December 2, 2025.
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