I'm currently in constant mild pain from a back injury, which is likely to last a good few months more - I'm on pain killers, but they dont' stop it totally.
I've been looking at TENS machines on ebay - that send a small electric current through the skin to block pain, and make the body produce endorphins. They're often recommended for back pain.
I just wondered if anyone here has ever tried one, whether they're any good or not?
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