mechanistic
Analysis v1
Strong Support
When your heart rate variability is higher—meaning your heart naturally slows and speeds up more—it might mean your body’s virus-fighting cells are more active, helping you fight off infections better.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Parasympathetic neural activity and the reciprocal regulation of innate antiviral and inflammatory genes in the human immune system
Cross-Sectional Study
Human
2021 NovWhen your heart rate variability is high (a sign your body is relaxed), your immune system turns up genes that help fight viruses, like a built-in antiviral boost. This study found that connection in people, not just mice.
Contradicting (0)
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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.