We can't find evidence that holds up here. Proponents are reasoning from mechanism or analogy rather than direct human data, and the most credible skeptics raise objections we can't dismiss.
It is not a substitute for exercise though. It's a very important distinction. If the options are nothing or sauna, get in the sauna. Really, really good idea. If the exchange is though, I don't need to work out because I did the sauna, bad. This is not a winning solution.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
I don't necessarily recommend that. That actually would probably kill a large number of people.
4–7 sauna sessions per week, 20 minutes at 80°C+, reduce cardiovascular mortality risk by 40% over a decade.
Regular sauna use raises BDNF and improves verbal memory in older adults.
Sauna protocols only generate the longevity effect when sessions exceed 30 minutes.
Hot-tub bathing yields cardiovascular benefits comparable to traditional Finnish sauna at matched core-temp dose.