Want to reduce your dementia risk? A shingles vaccine could help

Many people aren’t benefiting from the shingles vaccine now. Not only can it prevent shingles — it also may protect the brain and cut the risk of having dementia.

​ Many people aren’t benefiting from the shingles vaccine now. Not only can it prevent shingles — it also may protect the brain and cut the risk of having dementia. Read More Breaking News, Latest News and Videos | CNN