Common vaccine linked to 24% lower dementia risk in older adults

A recent study led by researchers at Brown University appears to strengthen the link between shingles vaccination and a reduced risk of dementia diagnoses in older adults.

The study, published in The Annals of Internal Medicine, evaluated electronic health records and Medicare claims for more than 509,926 U.S. adults 66 and older who were admitted to skilled nursing facilities.

Individuals who received at least one dose of the recombinant shingles vaccine, commercially known as Shingrix...