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The reported effects of cold lasers are supposedly related
to stimulation of mitochondria, through While the correct energy dose is still in question, it is apparent that there is a very narrow range for the type of light (wavelength) and total energy delivered (J/cm2 or mW/cm2). Higher or lower wavelengths or energy outputs have no effect on the cellular level and may cause damage. However, in the correct dose, laser light has been reported to improve the rate of acute and chronic wound healing, decrease pain and inflammation, improve immune system functioning, and stimulate nerve healing. Specific uses for cold laser therapy are shown in green, while promising uses are in red:
Specific dosages for therapy can be found below, courtesy of WALT (World Association for Laser Therapy). WALT dosage recommendations 904nm Laser WALT dosage recommendations 780nm-860nm Laser |
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excitement of cytochrome oxidases in the electron transport chain. The
laser light effectively "kicks" cellular metabolism and thus the
mitochondrion
into overdrive, producing more ATP for energy; a process known as
photobiomodulation. This seems to be particularly effective when the
cell receiving the laser light has sustained some injury.