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Infrared sauna, cold plunge tub, and red light panel in a dark recovery room

THE RESEARCH BRIEF

The research behind heat, cold, and light.

Each protocol, examined session by session against the published studies behind it. What the research shows, what it does not, and how to read the difference.

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The Research Brief

A stone-filled sauna heater and wooden bucket in a dark sauna

Traditional Sauna: The Format the Research Was Actually Done In

A stone-filled sauna heater and wooden bucket in a dark sauna
Sauna

Traditional Sauna: The Format the Research Was Actually Done In

The Finnish cohort studies people cite were done in traditional saunas. What a traditional sauna is, how those studies were built, and how to read an observational study.

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Dark sauna interior with dappled light across the benches
Sauna

Infrared Sauna: What the Research Actually Supports, Session by Session

What infrared sauna sessions involve, what the long-term studies looked at, and what they do not show. Most sauna research was done in traditional saunas, and this explains why that matters.

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