correlational
Analysis v1
Strong Support
Scientists found that three tiny differences in a person’s DNA, all in the same gene, are linked to how much vitamin D they naturally have in their body when they’re healthy and between 50 and 74 years old.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Vitamin D, leptin and impact on immune response to seasonal influenza A/H1N1 vaccine in older persons
Cross-Sectional Study
Human
2016 Mar 3The study found that three specific gene variations are linked to how much vitamin D people have in their blood, which is exactly what the claim says.
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.