I read somewhere that we should invest a lot in whatever separates us from the floor: our mattress, our car (or tires, more specifically), or our shoes. There are countless options when it comes to shoes, but most of them are the wrong choice for your feet. Let’s see why. Your foot and its natural shape The main problem with our shoes is that they need to be designed based on our feet’ natural form. Here’s a photograph from a study made in 1905 by Phil. Hoffmann, in which he compared th...