How might acupuncture reduce the feeling of pain according to one scientific explanation?

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While traditional Chinese medicine explains the efficacy of acupuncture through the balancing of yin and yang and the free flow of qi, scientific research offers a different perspective on its pain-relieving mechanisms.12

One prominent scientific explanation suggests that acupuncture may reduce the sensation of pain by stimulating the release of endorphins. Endorphins are a group of naturally occurring opiate proteins found in the brain and nervous system that possess significant pain-relieving properties. By triggering the release of these substances, acupuncture may mimic the analgesic effects of narcotics, providing a physiological basis for the pain relief reported by patients.43