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Infrared light is undergoing a wave of popularity thanks to innovations that ease its application for wellness.
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Infrared light has been around forever, or at least since light first appeared in the universe. Peering back some 13.6 billion years to the formation of stars and galaxies, NASA’s James Webb Telescope spied redshift, i.e., light from the earliest stars that shifted toward the red end of the electromagnetic spectrum due to something Einsteinian. Never mind all the details—it comes through as infrared light.