There's a very good reason I'm 30lbs over my "playing weight" and finding it more and more difficult to fit into pants that I would have previously considered 'tent-like'. Running is bad for you. At least, running in modern, high tech sneakers.
Of course, now I have no excuse. I just need to get out there barefoot and make sure I run on the front of my feet, not the heels.
But, maybe I'll just wait twenty years to see the results of the studies into this newest fad. Yeah, that's what I'll do.