Jeremie Seals used to go to the hospital emergency room to avoid sleeping in his car. Kristian Foden-Vencil/OPB hide caption

itoggle caption Kristian Foden-Vencil/OPB

The Opening Ceremony of the London 2012 Olympic Games included a paean to the National Health Service, the U.K.'s socialized healthcare system. Gallo/Getty Images hide caption

itoggle caption Gallo/Getty Images