The big spinning men who spend four years perfecting the art of balancing big steel balls between their chin and hand and throwing them as far as they can must love drinking beer. They all look - every one of them from Norway to Germany to Latvia - like perfect cuts of beef, but with big guts. Does the lager provide the sugar for a faster spin? Or does a belly give you more momentum? If Michael Phelps eats 12,000 calories a day how much do these guys put away?