Regular Infrared Saunas and Longevity Did you know that infrared saunas have been researched worldwide for nearly 80 years? What does that research suggest? Today, we are going to look at how regular sauna use can promote wellness in our lives. Living longer, stronger, and healthier lives has become a focus in our society and new research is emerging that infrared saunas can play a role in this. Infrared saunas tackle aging in three ways: Heart health Muscle and nerve health Immune health Heart Health First, cardiovascular disease is the leading cause of death in the United States. Lots of great research is coming out on how infrared saunas can.