Transcutaneous electrical nerve stimulation (TENS) is a floor-applied unit that provides lower voltage electrical present in the skin to provide analgesia. Corydalis is the genus of a perennial flowering plant during the poppy relatives with in excess of four hundred species. The tubers of corydalis (corydalis yanhusuo yan hu https://active-bookmarks.com/story20712658/not-known-factual-statements-about-alternative-natural-pain-relief-to-replace-traditional-painkillers