1.2K people were treated for related injuries in 2014
                                
                                
                                    (Newser) -
                                    Walls do so much for us. And what do they get in return? Punched. After all, writes Keith Collins at  Quartz , "Walls are big, they’re imposing, and they’re almost always nearby." Collins queried the  US Consumer Product Safety Commission , which keeps tabs on annual emergency room...