Went to the orthopedica surgeon after my back went out, he tested my flexibility and said its way down on the left side, you ever have any hip pain I said yeh so xrayed it and there is early arthritis on that side!! I was surprised as I always thought it was just ITBS or arthritis. I did have a nasty fall on that hip while cycling and he said that might contribute. I am 40, have run 20 yrs but not huge volume. He said "you will need a hip replacement in 10 yrs if you keep running". It doesnt bother me much, only a dull ache now and then which doesn't really correspond with how much or howl little I run. What would you do, what should I do??