kidney failure, diabetes, hypertension, osteoarthritis -- maybe what we really need to do is change the metaphor to growing something. And that's the key, perhaps, to reframing our thinking about medicine. Now, this idea of changing, of creating a perceptual shift, as it were, came home to me to roost in a very personal manner about 10 years ago. About 10 years ago -- I've been a runner most of my life -- I went for a run, a Saturday morning run, I came back and woke up and I basically couldn't move. My right knee was swollen up,