Heat therapy, specifically sauna use, has exploded in the U.S. over the last several years. So much so that the market is predicted to grow from $126.55 billion to $181.06 billion by 2028. In other words, heat, is in. Using the sauna in the summer months might be the last assumption you'd make for your health, but consistent weekly use is now being linked to metrics that decrease risk for all-cause mortalities. Listen in for more.