i have two things, one i have a bad back- Scoliosis . Its been alot better, but lately its been spasm and its effecting my right side of my but, were I am getting a sharp pinch as I walk. the second thing-past two weeks my right hand is always completely cold and my left is always warm what could this be from? Also sometimes I get a sharp pinch in the middle of my chest, im getting worried. I am 22, 150 lb and and 5 3