From Finland, to the United States, to Russia, and Japan, sauna bathing has gained considerable popularity. The heat in a sauna, often around 180-200 degrees fahrenheit, envelopes the body, causing sweat production to increase. Many sauna bathers will tell you it produces the ultimate “clean” feeling. Others will tell you it enhances their well being. And others will swear it’s their secret to health. While anecdotal testimonies do have some merit, many folks are interested in what the structured research says about sauna bathing, so let’s take a look.

http://www.globalhealingcenter.com/natural-health/8-facts-about-sauna-bathing/