I got the brakes in my car fixed the other day. I brought the car in because it was making a squealing sound. Apparently, what was happening was the brakes were staying stuck on the wheel, causing the engine to have to work harder to make the car go. Once the brakes were changed and the interference to the wheel turning was removed, the squealing went away. It occurred to me that this was a very similar situation to the way our bodies and spines work. Sometimes, our spina