06/24/2026
The research on infrared saunas is more compelling than most people realize — but it's also more nuanced.
Here's what peer-reviewed studies actually show:
→ 66% reduction in cardiac death risk with 4–7 sessions/week (KIHD study, 2,315 people over 20 years)
→ 41% drop in perceived stress after 8 weeks of regular use
→ 210% increase in endorphins after a single session
→ 11 of 12 depression patients no longer met MDD criteria after infrared therapy + CBT (UCSF, 2024)
One honest caveat: the cardiovascular data comes from traditional sauna research. The mental health and pain relief numbers are infrared-specific.
The science is promising. It's not magic — but it's not marketing either.