Most of us have been taught our whole lives that we have a shoe size. But did you ever consider instead that you have a foot size? Most people have gone their whole lives wearing the wrong sized shoes. A proper fitting shoe will give you enough width for expansion of your foot when it comes into contact with the ground without squeezing or pinching any aspect of the foot. To learn all about the proper way to fit your feet for shoes, check out Dr. Mark's blog on the Natural Running Center.