Near-infrared wavelengths of 810 nanometers penetrate deeper into the body than 660 nanometer red light, even if the 660 nanometer light is given more power output and longer exposure time.
causalpending
Evidence Quote
“near infrared wavelength of 810 will penetrate deeper into the body than 660 even if 660 is given more power and more time”
Created: 8/13/2026, 7:47:20 AM
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