Do TENS Units Have Research to Back Up Their Use?
TENS are small machines, battery powered, that deliver electrical current by way of surface electrodes to the skin. These machines are safe, noninvasive, and inexpensive (usually less than $100).
TENS are small machines, battery powered, that deliver electrical current by way of surface electrodes to the skin. These machines are safe, noninvasive, and inexpensive (usually less than $100).