Transcutaneous electrical nerve stimulation (TENS) is often a floor-applied device that delivers low voltage electrical current in the skin to produce analgesia. Corydalis is the genus of the perennial flowering plant from the poppy relatives with around four hundred species. The tubers of corydalis (corydalis yanhusuo yan hu suo; https://what-is-proleviate-used-f48556.bloginder.com/39646052/the-5-second-trick-for-alternative-natural-pain-relief-to-replace-traditional-painkillers