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the claim

Exposure to cold increases blood flow to the hands and feet.

the verdict
CONTESTED PARTIAL
Recorded sources
2 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that exposure to cold increases blood flow to the hands and feet?

Partly. A meta-analysis of cold-induced vasodilation reports that cold-water immersion triggers episodes of warm blood flow to the fingers, and a physiology review describes increased extremity blood flow with cold acclimatization. However, a CDC worker-safety page states that cold causes the body to constrict vessels and shut down circulation in the feet, so the evidence covers only part of the claim and points in both directions.

Verdict: CONTESTED PARTIAL · 2 sources for, 1 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 2
Responses of the hands and feet to cold exposure -
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Responses of the hands and feet to cold exposure - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1080/23328940.2015.1008890

Evidence against · 1
Cold-related Illnesses in Workers | Cold Stress | CDC
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Cold-related Illnesses in Workers | Cold Stress | CDC. (n.d.). cdc.gov. https://www.cdc.gov/niosh/cold-stress/about/related-illness.html

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More for · 1
Cold-induced vasodilation: A meta-analysis.
2026
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RS, W., J, B., & HAM, D. (2026). Cold-induced vasodilation: A meta-analysis.. doi.org. https://doi.org/10.1080/23328940.2026.2646391

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