DangBaekJeon result, DangBaekJeon became bad money, and SangPyeongTongBo became good money. This is related to Gresham's law, which is a monetary principle stating that "bad money drives out good". The casting of DangBaekJeon was stopped in April 1867. The next year, its distribution was stopped because of an appeal from Choe Ik-hyeon(Hangul: 최익현, Hanja: 崔益鉉), a janglyeong(Hangul:장령, Hanja: 掌令) in Joseon Dynasty. He insisted that DangBaekJeon affected adversely to all classes of the society in the past two years. After its distribution had stopped, DangBaekJeon was exchanged with SangPyeongTongBo or China money(Hangul: 청전, Hanja: 掌令) and was used in iron. Dangbaekjeon
Good Calories, Bad Calories "well-researched" and opines that Taubes’s conclusions are "somewhat startling yet surprisingly convincing." Journalism professor and food author Michael Pollan describes "Good Calories, Bad Calories" as "valuable" but believes that it "does not escape the confines of nutritionism." "New York Times" medical reporter Gina Kolata concluded that she was ultimately "not convinced" by Taubes’s arguments, writing that "the problem with a book like this one, which goes on and on in great detail […] is that it can be hard to know what has been left out." Laura Vanderkam reviewed the book somewhat negatively in "The American", the journal of the