Infrared light therapy provides many of the health benefits of natural sunlight without any of the dangerous effects of solar radiation.
Infrared heat is not ultraviolet radiation. Infrared energy travels 2-3″ deep into the body and increases blood circulation and nourishes damaged tissue.
The energy that we feel from the sun gets transported to the earth by means of electromagnetic radiation. These rays can be divided into several wavelengths.
Wavelengths are measured in nanometers (nm). A nanometer is one millionth part of a centimeter or about 0.000000394 inch.
Now, each wavelength transports a certain amount of energy. The higher the frequency of the wave, the shorter its wavelength and the more energy it can transport.
Higher frequency = shorter wavelength = more energy.
Only part of the sunrays make it al the way through to the earth. Part of it gets absorbed by our atmosphere.
The radiation that does reach the face of the earth is called global radiation. It ranges from Ultraviolet light over visible light and then all the way over to infrared light (IR), which is used in infrared light therapy.
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