correlational
Strong Support
Getting the shingles vaccine didn’t make people start going to the doctor more for other things or change how they took care of their health overall—so if people who got the vaccine had less dementia, it’s probably because the vaccine itself helped, not because they became healthier in other ways.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
67
The study found that getting the shingles vaccine didn’t make people go to the doctor more for other things or change their other health conditions — so the drop in dementia must be because of the vaccine itself, not because people became healthier overall.
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.