Most “sauna longevity” claims trace back to a Finnish study of traditional sauna use. This piece breaks down what the study actually found, why traditional sauna is not interchangeable with infrared or steam, and what later research adds to the case - without overstating what the evidence can prove.
Read moreCan frequent hot sauna hurt male fertility—and does icing “the boys” during sessions actually help? We walk through Bryan Johnson’s experience, the existing research on heat and sperm, and what a sensible sauna strategy looks like if you’re trying to conceive.
Read moreThis article looks at Bryan Johnson’s sauna experiment alongside Finnish sauna studies and John Ioannidis’ “Why Most Published Research Findings Are False,” to show how n=1 data and published research can both be useful—and both be misleading.
Read moreCan sauna really help with microplastics and chemical “detox”? We walk through Bryan Johnson’s before-and-after tests, the small but interesting research on toxins in sweat, and why the honest answer is “promising, but far from magic.”
Read moreCurious what Bryan Johnson actually does in the sauna? This piece walks through his full routine step by step and then suggests how an ordinary person can borrow the structure without turning their life into a full-time experiment.
Read moreCurious about Bryan Johnson’s sauna routine? This article walks through his exact protocol and lab results, then stacks them up against Finnish sauna studies to see where they converge, where they’re unclear, and what a normal person can realistically take from it.
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