The year of 2013 is the 400th anniversary year since the publication of the first edition of the Dongui Bogam. Five Viscera and Six Bowels 五臟六腑 오장육부. In the 21st century, various diseases, particularly adult and geriatric diseases and new epidemics, pose a grave threat to human health amid rapid changes in people’s lifestyles, although threats from better known diseases commonly caused by malnutrition are on the decrease.