"For all the fame (and high prices) of Belgian and Swiss chocolate, you'd think they invented the stuff. Not so. Thank southern Mexico and northern Central America for the universally craved elixir. Chocolate topped our list of Maya foods that changed the world, and legions of gourmets and chocoholics would argue it is the most important food on the planet. How did European women cope with PMS before Hernán Cortés made his foray into the New World, anyway?"