The sauna to improve the health of arteries? People with a high risk for heart disease improved artery function and blood pressure after a single 30-minute sauna session (163.4 degrees F, 10-20% humidity). To learn more about how the sauna improves cardiovascular health and brain health…check out my podcast with the senior author of this study, Dr. Jari Laukkanen. https://www.foundmyfitness.com/episodes/jari-laukkanen