Why are there so many different types of running shoes, and do they play a part in making you run faster or stand taller? Ever head to a sports store and just staring at the wall of shoes on display, wondering which to get? You try on a few and you feel that some are comfortable, while others do not provide enough support. Is there really any difference when it comes to these shoes, or are they just protection for your feet? Do shoes really affect performance? Among all sport