He has Parkinson's and had a bad fall not long ago. This is in addition to normal back pain that creeps up on many of us without any injuries. I'm sure drug use was not great on his system, but I think there are quite a few other things going on with him. But at least he has the cash to do whatever can be done about his back problems, and the Parkinson's is not real bad at this point, not yet away.Cocaine always takes a huge toll on the body, that is one of the reasons it's called the DEVIL'S dandruff!