Andrew Huberman· PhD
The reason I say that is that having elevated blood glucose and or insulin tends to blunt or reduce growth hormone release, and that's true for any number of different stimuli including exercise and including sauna.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
The reason I say that is that having elevated blood glucose and or insulin tends to blunt or reduce growth hormone release, and that's true for any number of different stimuli including exercise and including sauna.
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The reason I say that is that having elevated blood glucose and or insulin tends to blunt or reduce growth hormone release. And that's true for any number of different stimuli, including exercise and including sauna.
you go in a sauna for 20 minutes that's gonna change your growth hormone levels significantly probably won't change your IGF levels so significantly
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.