A vaccine to fight dementia? It turns out there may already be one – shots that prevent painful shingles also appear to protect aging brains. (AP video shot by Javier Arciga)

Shingles is awful, but there may be another reason to get vaccinated. It may fight dementia

A vaccine to fight dementia? It turns out there may already be one – shots that prevent painful shingles also appear to protect aging brains. (AP video shot by Javier Arciga)