Thank you for replying, I have wondered about the Tens units, I think I may try that. I dont need a wheel chair for home but if shopping I definitely have to hold onto cart or use the electric chairs. I wish you much luck with the Cannabis, I would love to try the medical Cannabis but not yet in South Carolina. We have a new candidate for Governor who says he will make this happen, people believe him but he cannot do anything if elected officials ae against it, plus he is a total flake in other areas.