A transcutaneous electrical nerve stimulation (TENS) unit works by delivering small electrical impulses through electrodes with adhesive pads to attach them to a person’s skin. Research has not proven ...

TENS, or transcutaneous electrical nerve stimulation, is a pain relief method that uses mild electrical currents to block pain signals or change how you perceive them. It's used for back pain and for ...

Dear Dr. Roach: I have spinal stenosis and degenerative disc disease, along with scoliosis from childhood polio. A few weeks ago, I developed sciatica and started a course of physical therapy, but ...