I / Read the research
The Evidence
Look beyond a headline. Understand study design, uncertainty, and where conclusions stop.
Explore the evidenceHeatDepth / The heat journal
A clearer
view of heat.
Sauna, heat therapy, and the questions worth asking. Thoughtful reading on the evidence, the equipment, and the limits of what we know.
Read the latest feature
Evidence, clearly labeled.Independent editorial guidance.Educational information, not medical advice.
Three ways in.
01 — Discover
II / Understand the setup
Equipment
Materials, maintenance, and everyday constraints. Start with the questions a specification sheet cannot answer.
Browse equipmentIII / Put time in context
Protocols
Temperature and duration belong in context. A routine is never a substitute for individual guidance.
Consider duration
Latest feature / Equipment
Does infrared mean you should stay in longer?
□ Equipment meets context
I would not extend a sauna session simply because the heater is infrared. Does infrared mean you should stay in longer? No. Lower air temperature can make the…
Read the feature02 — Evidence lens
The claim is only
the beginning.
We ask who was studied, what was measured, and whether the result applies to the question at hand.
These labels are editorial summaries of specific claims, rather than medical grades or recommendations.- ■ Established
- Consistent evidence supports the specific claim within clearly stated limits.
- ▪ Promising
- Early findings warrant attention; confirmation and broader applicability remain open.
- □ Uncertain
- Evidence is limited, mixed, or too indirect to support a confident conclusion.
- ◆ Not supported
- Available evidence does not substantiate the claim as stated.