My insurance wouldnt cover and I think it saved me. I have AdHd bad and with the lack of response from Company and ppl that the machine was tried on, I truly belived in my case it worked. I did find that my chiropractor after an adjustment had made two big deep tissue tears in my glutes. After surgery to repair along with meover compensating all these yrs for my knee ( w/o a cap) I have now screwed up my good leg. As of right now, I have finally found great thin but very suppirtive knee braces that dont cause rashes( Tucson Az) gets very warm and knees braces can be very uncomfortable. POINT everyone has to find what works for them. I think pstim seems to work better for back issues. But in my case they tried trigger injections and it to failed not one day of relief. Trial and error is what I recommend. Do what you believe will help as that is half the battle right there. This is my personal opinion.