Experts disagree on its effectiveness for lower back pain, but they consider TENS safe with a low risk of complications. Learn where to place TENS electrodes for this type of pain.

Find out if TENS, a type of nerve stimulation, can help with your chronic pain. WebMD explains how TENS works and which types of pain it’s best for.

Some people use a transcutaneous electrical nerve stimulation (TENS) unit to treat pain. This device works by sending electrical impulses through the skin. It may give people relief from the ...