The shingles vaccine may have a protective effect against dementia, write doctors Christopher Worsham and Anupam Jena.

G etting vaccinated for the viral illness shingles, which causes a painful rash, could potentially be the next best tool in preventing dementia, a new study published in Nature fi

A vaccination to prevent horribly painful shingles may offer an extra benefit: New research suggests it might lower the risk of dementia, too.