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 ...

If you suffer from chronic pain or want to treat acute pain drug-free, you may find the relief you need from a TENS unit. Using a process called transcutaneous electrical nerve stimulation, TENS units ...

A TENS machine is small -- about the size of an iPad mini. It’s connected to a series of electrodes, which are put on your skin to deliver a low-voltage electrical charge. The electrical pulses ...