The health benefits of saunas are not a recent discovery. The use of steam or smoke baths to cleanse the body and reduce stress has been a part of religious, social, and family traditions in numerous cultures for thousands of years. Native Americans, Russians, Romans, and Mediterranean cultures all had some sort of bathing facilities and rituals that played important roles in both private and public life in those communities. But it is the Finns who are credited with developing the modern sauna.
The Finnish Savu
Historical evidence and records indicate that the Finns built the first wooden saunas over 2000 years ago. The early Finnish sauna was dug into a hill or embankment. As tools and techniques advanced, they were later built above ground using wooden logs. Rocks were heated in a stone fireplace with a wood fire. The smoke from the fire filled the room as the air warmed.
Once the temperature reached desired levels, the smoke was allowed to clear and the bathers entered. The wood smoke aroma still lingered and was part of the cleansing ritual. This type of traditional smoke sauna was called a savu, which means smoke in Finnish.
The Evolution of the Sauna
Eventually the sauna evolved to use a metal woodstove, or kiuas (ke-wus), with a chimney. Air temperatures averaged around 180F but often exceeded 200 degrees in a traditional Finnish sauna. Steam vapor, also called l