Bryan Johnson· Author
To maintain a stable core temperature, the skin produces 0.6-1 kg of sweat per hour, facilitating significant detoxification.
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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.
To maintain a stable core temperature, the skin produces 0.6-1 kg of sweat per hour, facilitating significant detoxification.
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Sweating also dramatically lower the toxins in my body.
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.