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Photobiomodulation to Red Light Therapy (RLT)?
The science of using light to effect biological systems is called photobiomodulation. Under the umbrella of photobiomodulation, Red Light Therapy (RLT) is covered. About thirty years ago, NASA began investigating a medical technique called low-level laser therapy (LLLT). This research developed from low light lasers into a technology that uses red and near infrared monochromatic LEDs. We refer to this technology as red light therapy, for biological use [1]. The NASA technology was found to successfully reduce painful side effects of cancer patients undergoing radiation and or chemotherapy using far red/near infrared Light Emitting Diodes. In a two year trial study, improvement showed in cancer patients and those receiving stem cell and bone marrow transpants. NASA concluded that the treatment device could reduce pain and had no adverse affects, and was easily tolerated [2].
Areas of the body that can benefit from red light
Red light therapy uses light emitting diodes (LEDs) to stimulate healing within the human body [3,4]. Several researchers and studies have shown that red light therapy effectively stimulates the body at the tissue, molecular, and cellular levels [4].
Red light therapy devices today can use up to two or three wavelengths [5]. The most promising effects have been found utilizing a wavelength of 660NM for RLT and the 850NM wavelength with Near Infrared, also known as infrared A (IR-A)[6].
| Alternative names to Red Light Therapy: [5] |
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