Transcutaneous electrical nerve stimulation (TENS) is often a surface area-utilized unit that delivers low voltage electrical present-day with the skin to generate analgesia. Corydalis is the genus of a perennial flowering plant during the poppy household with over 400 species. The tubers of corydalis (corydalis yanhusuo yan hu suo; https://www.proleviate.com/post/conolidine-an-alternative-natural-pain-relief-to-replace-traditional-painkillers