Shingles vaccine shows promise in reducing dementia risk

A shingles vaccine may significantly reduce dementia risk, according to a study of Welsh health records. Researchers observed a 20% lower dementia diagnosis rate in seniors who received the shingles shot, with a stronger effect seen in women. The vaccine might also slow dementia progression in those already diagnosed. The findings suggest a potential link between viral infections and dementia, prompting calls for further research and a large-scale randomized controlled trial to confirm these promising results.