Andrew Huberman· PhD
On a hot day, if it's really hot or in a very hot sauna or in the hot desert, you will generate what are called heat shock proteins which will set off other sets of cascades, metabolic cascades, biological cascades.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
On a hot day, if it's really hot or in a very hot sauna or in the hot desert, you will generate what are called heat shock proteins which will set off other sets of cascades, metabolic cascades, biological cascades.
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it's well established in animal models and in humans that sauna exposure of the sort that I described earlier activates these heat shock proteins.
The sauna is super robust, but hot weather and exercise can definitely trigger the production of heat shock proteins!
Heat shock proteins are activated during sauna!
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.