Health Articles — FIR heat therapy

What is IR?

Infrared Radiation (IR) is electromagnetic radiation of a wavelength longer than that of visible light. Much of the energy from the Sun (about 50%) arrives on Earth in the form of infrared radiation. Infrared radiation can be used as a specialized heating source for a variety of purposes. A very specific infrared radiation frequency is used to directly heat a person in an infrared sauna. Efficiency is achieved by matching the wavelength...
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