Originally Posted by
seedsbelize
Your life maybe, but what about your knees?
If you've got good mechanics, running is actually pretty benign to the knees. I didn't have any problems over a 35 yr career. I had plenty of tendon and muscle issues, though.
Oh, and it also destroyed my spine, I went numb and tingly from the neck down, and had to have big surgery, which is why I don't do it anymore, but that's a minor thing.