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A single sauna session sends immune cells surging

ScienceDailyTuesday, July 28, 2026 at 1:20 AM

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A single sauna session sends immune cells surging
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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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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

  1. ScienceDaily published: A single sauna session sends immune cells surging

  2. Story is in today’s RedScroll edition. Follow the original source for updates.

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