Sauna is in a closed room with a steam process of physical therapy on the human body. Usually the sauna room temperature can reach above 90 ℃.Shanghai sauna is popular. Saunas originated in Finland, more than 2,000 years of history. Repeated use of dry steam for washing the body of hot and cold stimulation, the repeated expansion and contraction of blood vessels, can enhance the elasticity of blood vessels, preventing the effect of hardening of the arteries. Arthritis, low back muscle pain, bronchitis, neurasthenia, etc. have certain health benefits.

In fact, earlier in the sauna is not entirely bathing, heating, recreation of that, it also has other important functions, such as sauna baking with flax, bacon, barbecue, etc. to prepare the malt. At that time the Finnish sauna, or even the place of women giving birth, because people thought it was the most hygienic, clean, but also that the steam can reduce the pain of childbirth. Finns from fall to earth, the whole life is inseparable from the sauna. Finland's total population of 500 million, and various forms throughout the country sauna facilities are less than 160 million, an average of every three people that there is a sauna. For this, have never been to Finland, perhaps hard to imagine. And to Finland, will truly understand the "sauna where there was activity," this sentence.

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