Shingles vaccine may lower dementia risk, new study finds

The shingles vaccine could lower dementia risk 'by up to a quarter'

US researchers analyzing 500,000 patients found the shingles vaccine reduced dementia risk by 24%, potentially through controlling neuroinflammation. The finding suggests vaccine repurposing for dementia prevention—critical given limited preventive options and dementia's status as the UK's leading cause of death.