Edit: just giving equal time... Runners World has got an article debunking lots of this (written in response to the WSJ below. I'm intrigued. Really, whenever my interests collide, I love it. Learning the physics of a bicycle. The chemistry of coffee. How statistics modeling correctly predicted the outcome of the November election. So the health effects of endurance sports intrigues me. Usually, we get a steady stream of data showing that exercise is good for us. Very, very good for us. Don't let this post convince you not to exercise. But, on the other hand, I like the phrase of one of the links below...there are "upper limits." You CAN have too much of a good thing. A cup of coffee may be a great way to start your day, but it is possible to have a caffeine overdose--granted, it's nearly impossible. If running a mile is good for you, 26.2 must be great? Right? Well, this morning I dived down the rabbit hole when someone posted to a tri message board abou...
A view for the modern parent.