Websimilar to exercise, sauna use can have significant cardiovascular and longevity benefits. What does the research say about sauna, heart health, and. Webresearch shows that sauna bathing may be able to help lower your risk of heart disease. One study followed 2,300 sauna bathers for 20 years and found that the participants who visited the sauna more frequently (four to seven times a week) had. A guide to cardiovascular health. The ancient practice of sauna bathing has gained renewed attention for its potential sauna.