Science

Science-backed insights on sauna, recovery, and athletic performance.

Does Sauna Help Muscle Recovery? What the Research Shows

The short answer: Post-exercise sauna accelerates muscle recovery through heat shock protein activation, IGF-1 upregulation, growth hormone protocol release, and increased blood flow. In...

Sauna Before or After a Workout? What the Research Shows

The short answer: Post-workout sauna consistently outperforms pre-workout for both adaptation and recovery. Used after training, sauna extends the cardiovascular stimulus already in progress,...

Infrared vs Traditional Sauna: What the Research Actually Shows

The short answer: Traditional Finnish sauna (80–100°C air temperature) and infrared sauna (45–60°C, heating body tissue directly) both produce measurable health benefits, but through...

Sauna for Depression: The Science Behind Deliberate Heat

The short answer: In a 2024 clinical trial combining whole-body hyperthermia with CBT, 91.7% of completers no longer met diagnostic criteria for major depressive...

Does Sauna Reduce Dementia Risk? What the Research Shows

The short answer: Men using a sauna 4–7 times per week showed a 66% lower risk of dementia and 65% lower risk of Alzheimer's...

How Often Should You Use a Sauna? What the Research Actually Shows

The short answer: Laukkanen's 20-year Finnish cohort study, the most comprehensive data available, found a clear dose-response: men using a sauna 4–7 times per...

Why Your Head Is the Enemy in a Sauna — And How a Sauna Hat Changes That

Picture a familiar scene. You are eleven minutes into a sauna at 88°C. The temperature is right. The timber is warm. Your body, by...

Protecting Your Hair in the Heat: The Sauna Hat Edition

The short answer: Sauna heat above 80°C damages hair by stripping moisture from the cuticle layer, weakening keratin bonds, and increasing breakage. A wool...