Meanwhile, the Korean idea of shintoburi (" body-soil unity "), which emphasizes that food grown in local soil is best), the Japanese custom of eating seasonal foods, and The Yellow Emperor's Classic of Internal Medicine (with its dictum that" the best medicine offers treatment before illness ") stress the close connection between food and health. In modern medical terms, all are versions of preventive medicine.
不論是韓國倡導的「身土不二」（土生土長的在地食物對身體最好）、日本飲食遵循的「旬食」（當令食物），還是《黃帝內經》所說「上醫醫未病之病」，在在強調食物與身體健康不可分割的重要性，依現代醫學來說，就是「預防醫學」。