What exactly is “low ELF”? Do High Tech Health saunas have “low ELF”?
ELF stands for "Extremely Low Frequency".ELF refers to a range of frequencies that include the electric power grid's frequency, which is 60 Hertz in the United States. See the wikipedia page for more detail. "ELF" is used to describe magnetic fields (as in "ELF magnetic...
Measuring Body Voltage (EMF) from Our TR-3 Sauna
What is "body voltage"?Body voltage is a measurement that many people concerned about EMF (electromagnetic fields) use to judge the electric field exposure that comes from using a product. It is measured by taking an AC volt meter, connecting the black (negative) test lead to...
Near Infrared Sauna Dangers
Near infrared and full spectrum saunas are a trend that other companies are offering, claiming benefits with zero evidence. There has never been a peer reviewed study on the use of near infrared in a sauna, and there are many studies showing dangers of near infrared, including cataracts, skin aging, and cancer. Far infrared saunas have been studied in dozens of peer reviewed studies and have never been shown to have any of these risks.