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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

Wooden sauna bench with a bucket and ladle against cedar walls

How Hot Should a Sauna Really Be? Reading Past the Marketing Numbers

Wooden sauna bench with a bucket and ladle against cedar walls
Sauna

How Hot Should a Sauna Really Be? Reading Past the Marketing Numbers

A listed maximum is a ceiling, not a setting. Where the sensor sits, the kind of heat, humidity, and session length decide what you actually experience.

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Wooden cube sauna with a glass front standing in a snowy forest
Buying Guide

Indoor or Outdoor Sauna: Which One Actually Fits Your Home?

Indoor infrared, indoor traditional, or an outdoor cube: what each one needs in power, floor, and upkeep, with real numbers from our catalog.

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Warm amber-lit wooden sauna cabin interior with tiered benches
Buying Guide

How to Choose an Infrared Sauna for Home Use: What Actually Matters

Seven items decide whether an infrared cabin fits your home, your circuit, and your routine: heater type, wattage, size, certification, EMF, build, and delivery terms.

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Wood-paneled room with a single line of light along the ceiling edge
Sauna

Low EMF, Safe EMF: What the Words on a Sauna Listing Actually Mean

Nearly every infrared sauna says low EMF. Here is what EMF is, which fields matter in a cabin, how to read the numbers, and what the research does and does not show.

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Round barrel sauna exterior with porthole window in an open field
Buying Guide

Is the More Expensive Sauna Better, or Just Bigger?

A worked comparison of a $1,479 and a $3,834 infrared sauna: what the price gap actually buys, what it doesn't, and the questions worth asking before you spend more.

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Traditional Finnish-style sauna interior with wood benches and steam
Sauna

Infrared vs. Traditional Sauna: Two Appliances That Heat You Two Different Ways

Traditional and infrared saunas heat you by different mechanisms, and most of the cited cardiovascular and dementia research was done in traditional saunas only. What actually differs between the t...

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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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