Finnish sauna heat exposure induces stronger immune cell than cytokine responses

Growtika 350 points 229 comments April 05, 2026
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Discussion Highlights (17 comments)

gchamonlive

> A total of 51 adults (...) were exposed to a 30-minute session of acute FSB at a temperature of + 73°C Woah, that seems like a lot for me. I can usually stand maybe 60ºC for like 10 maybe 15 min. I don't think I'd be able to stand 30 min under 73ºC.

csr86

In Finland we have old saying: "If liquor, tar and sauna won’t help, an illness is fatal"

api

Does a long hot bath do the same?

hattmall

>mitigate the adverse effects of low socioeconomic status Makes me wonder how much of it is Sauna, vs just the luxury of having the time to go do nothing for ~30 minutes.

cue_the_strings

All of these studies are always performed by Finns (or SE / DK / NO + maybe Russia). I'd love to see this (and other sauna studies) replicated by someone somewhere to the south or hotter climates in general (southern Europe, Africa, hotter parts of Asia and the Americas).

bilsbie

I’ve always wondered if it raises internal body temperature? Is it basically an induced fever?

stevenhubertron

Sample size is tiny fwiw.

moltar

Anecdotal evidence. But since I started doing sauna regularly (once a week) I started to get sick less. I’m talking colds or flues. And the ones I did catch were much milder. Even with sick family members around I’m not catching it as often.

hbarka

I’m not sure if I want a response of cytokine storms. MCAS is what comes to mind.

ascii0eks84

Sauna basically is the "hot winter" simulator.

carlosjobim

Sauna is the perfect activity to add to most people's everyday routine. It is 30-60 minutes of relaxation for the body and mind, which nicely fill in the slot between dinner and bedtime, instead of TV/Netflix or doom scrolling in the sofa.

shevy-java

Nordic strong men and strong women.

MrJagil

I have been searching for benefits associated with hot yoga as well, but the area is very underexplored as far as i can tell.

ekropotin

Cold showers - good for immune system. Heat expose - good as well. I guess what doesn’t kills us - makes us stronger is true after all.

sexy_seedbox

Why do Hongkongers (no sauna culture) and Japanese have higher life expectancy than Finns?

oxag3n

Back in Eastern Europe I frequently visited public "sauna" with my parents. It included jumping into freezing water after three heat sessions and the only thing you feel is just tingling in your skin. During those years all my respiratory illnesses were very brief and never affected lower areas (like bronchitis). The very first year I've emigrated I've got pneumonia and needed antibiotics twice during the cold season. The doctor told me it's just different viruses and I didn't have immunity for those (which is ridiculous considering globalization and I wasn't in an isolated tribe before). For my parents though I think it was net health negative as public sauna was always accompanied with a lot of alcohol.

hsuduebc2

The thing about sauna I love the most is rare moment of absolute clarity after hot/cold cycle. I rarely can think so clearly, even if it's only for ten minutes, than after putting my body to stress by sauna heat. Weirdly I never saw any explanation.

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