A recent study published in the Journal of Pain by the International Association for the Study of Pain from the University of Arizona discovered that rats exposed to green LED light at 525nm for eight hours a day, five days a week became less sensitive to irritating stimuli and had less pain. Inspired by the healing power of nature, the researchers chose to expose the rats to green light. “We found that, indeed, the levels of endogenous opioids, the free-floating chemicals in your body that are natural pain relievers...seem to go up with green light exposure,” says Rajesh Khanna, associate professor of pharmacology.
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