Originally Posted by Nat Sabatt
I have heard from the CF community that there is no such thing as hereditary flat feet, and that arches can be rebuilt. However, I am 21 and have had flat feet for as long as I can remember. Has anyone else heard of rebuilding arches, and if so, how is this done?
You heard wrong. There are definitely some cases of some horrendously malformed feet. However, these cases are rare. Most people have weak feet and can do much to strengthen them.