The scourge of sailors on long sea voyages , scurvy was recognized as diet-related in 1753 , when james lind showed that drinking citrus juice could cure and prevent it , leading to the concept of deficiency diseases .
But by assuming a relatively peaceful end , ms. lind and mr. bennett realized their research has the most benefit because it presents a figure that shows at a minimum what will be needed from other countries in the event of collapse .
Ms. lind and mr. bennett decided to concentrate on the question of stabilization because it is the issue that government leaders in south korea , the u.s. , china , russia , japan and elsewhere will immediately confront if the kim jong il regime suddenly disappears .