Even though researchers disagree on its effectiveness for lower back pain, they consider transcutaneous electrical nerve stimulation (TENS) safe with a low risk of complications. Learn where to place ...

A TENS unit can help reduce pain and muscle spasms in people with restless legs syndrome. TENS should not be used if you have a pacemaker, epilepsy, cancer, are pregnant, or have a blood clot.

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 ...

A transcutaneous electrical nerve stimulation (TENS) unit is a device that sends small electrical currents to targeted body parts. These currents are used to relieve pain. Some TENS units are designed ...

Which TENS units are best? There are many options available for pain control and relief. While pain pills, supplements, massage and other medical interventions may be helpful, many people are trying ...