correlational
Strong Support
Getting two shots of the shingles vaccine when you're 65 or older might also help lower your chances of getting dementia later on—even if you never even had shingles.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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Recombinant zoster vaccine is associated with a reduced risk of dementia
Cohort Study
Human
2026 Feb 9This study found that older adults who got two doses of the shingles vaccine were about half as likely to be diagnosed with dementia over the next few years, even after accounting for other health factors — so the vaccine might help protect the brain too.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.