Rankings / Protocols — Thermal
Sauna (Finnish/dry)
Protocols · Thermal
Tier A-
What this is
Laukkanen cohort: 4-7 sessions/week associated with 40% reduction in all-cause mortality and 63% reduction in sudden cardiac death vs 1x/week. Observational data only — no large RCT.
Mechanism
Heat stress induces heat shock proteins; cardiovascular training effect (HR up to 150 bpm); endothelial function; mild hormesis; possibly mimics moderate exercise
Dose & route
4-7 sessions/week at 80-100°C for 15-20 min — based on highest-benefit Kuopio cohort data
Citations
- https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2130724
- https://www.mayoclinicproceedings.org/article/s0025-6196(18)30275-1/fulltext
- https://link.springer.com/article/10.1186/s12916-018-1198-0
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