A study of more than 200,000 people by researchers found at least a 17% reduction in dementia diagnoses in the six years after the new recombinant shingles vaccination, equating to 164 or more additional days lived without dementia. The benefit was seen in both sexes but was greater in women, and the findings suggest that the recombinant shingles vaccine may have additional value in terms of protection against dementia. Shingles is a painful and serious condition afflicting many elderly people. It is caused by the Herpes zoster virus that can flare up in people who previously had chicken pox. After...