Infrared heaters for the first time were developed in 1965 by the doctor Tadashi Ishikava who works at the Fuji Medical’s R&D department. Only after 14 years of thorough medical researches this technology was allowed for the public use.
One session in a far infrared sauna can result in the same amount of sweat that would take place by running 6-8 miles, which helps with weight loss for those who cannot exercise on a regular basis.
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