SCIENCE
A single sauna session sends immune cells surging
ScienceDailyTuesday, July 28, 2026 at 1:20 AM
RedScroll Brief

A single 30-minute sauna session may briefly put the immune system on higher alert. Finnish researchers found that sauna heat, paired with a short cold shower, increased every type of white blood cell circulating in the bloodstream, including key infection fighters such as…
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RedScroll Briefing
Extractive editorial brief — not a reprint of the original
What happened
A single 30-minute sauna session may briefly put the immune system on higher alert. Finnish researchers found that sauna heat, paired with a short cold shower, increased every type of white blood cell circulating in the bloodstream, including key infection fighters such as…
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Background
ScienceDaily reported on this under science. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.
Timeline
ScienceDaily published: A single sauna session sends immune cells surging
Story is in today’s RedScroll edition. Follow the original source for updates.
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Sources
ScienceDaily — original reporting. RedScroll provides an extractive briefing only.