What is a TENS Unit?
Transcutaneous electrical nerve stimulation (TENS) is a method of pain relief involving the use of a mild electrical current.
A TENS machine is a small, battery-operated device that has leads connected to sticky pads called electrodes.
You can attach the pads directly to your skin. Once on, the small electrical impulses are delivered to the affected area of your body, which you feel as a tingling...
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