04/03/2026
One of the most cited studies in infrared sauna research tracked over 2,300 men for two decades — and the findings on cardiovascular health have held up across multiple follow-up analyses.
The proposed mechanisms include heat shock protein activation, improved vascular function, and autonomic nervous system benefits.
These aren’t fringe claims — they’re published in JAMA Internal Medicine and consistently referenced in longevity research.
The question isn’t whether regular sauna use has measurable benefits. It’s whether the sauna you’re considering is engineered to deliver heat and light therapy at the intensity the research supports.
Free comparison guide — Aurora Pro vs. Sunlighten, Clearlight, and HigherDOSE. Link in bio.