A new study offers encouraging news about both brain and immune health. The shingles vaccine, which is already recommended for adults age 50+ to prevent a painful viral infection, may also help lower dementia risk and even slow its progression. Researchers analyzing health data from more than 280,000 older adults in Wales and Australia found that people who received the shingles vaccine were less likely to develop mild cognitive impairment or dementia. Researchers found that, among those already living with dementia, vaccinated individuals had a significantly lower risk of dying over nine years. Scientists believe the vaccine may reduce harmful inflammation in the nervous system or strengthen the immune system, though more research is needed to understand why these benefits occur. While not a guaranteed preventive measure, experts agree that discussing the shingles vaccine with your doctor is a simple, accessible step that may support healthier aging and brain health.

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