The Terrifying Hell A Marathon Inflicts On The Human Body

The New York City marathon is today! Most people take training for a marathon seriously, because it's a huge day that they work toward all year, and also because it's based on a guy literally dying from running too fast and far. Other people don't. Here's Dr. Matt McCarthy on the very bad stuff that happens to theā€¦ » 11/03/13 10:54am 11/03/13 10:54am