Mar 24, 2026 / Evidence reviewed
Sauna with High Blood Pressure: Is It Safe? MD Explains
Dr. Sarah Novak reviews the evidence on sauna and high blood pressure — who can safely use a sauna, who should avoid it, and what the…
Read the articleThe HeatDepth reading room
The Evidence
The research behind sauna and heat therapy: what the studies actually show about cardiovascular health, longevity, and recovery.
Mar 22, 2026 / Evidence reviewed
Infrared Sauna for Arthritis: What 9 Studies Show (2026)
Infrared sauna for arthritis: reviewing the clinical studies on RA, OA, and AS. Dr. Sarah Novak breaks down what works, what doesn't, and who should be…
Read the article
Mar 20, 2026 / Evidence reviewed
Sauna Temperature by Goal: What the Research Shows 2026
The right sauna temperature depends on your goal. HeatDepth reviews the optimal range for cardiovascular health, recovery, sleep, and detox.
Read the article
Mar 18, 2026 / Evidence reviewed
Infrared vs Traditional Sauna: What Research Shows (2026)
The infrared vs. traditional sauna debate has taken on an almost ideological character online, with passionate advocates on both sides citing studies, making bold claims, and…
Read the article
Mar 18, 2026 / Evidence reviewed
Does Infrared Sauna Detox Actually Work? An Evidence Review
Every wellness brand seems to promise that infrared saunas will “flush toxins” and “cleanse your body at the cellular level.” The evidence does not support that…
Read the article