German South West African Mark the gold content of the British Pound Sterling was 7.3224 grams, while the gold content of 20 marks was 7.168 grams. According to Gresham's Law, "bad money drives out good", so the "bad" Mark replaced the "good" British Pound Sterling. In 1901, the German Mark became the official currency of German South West Africa, hence replacing the 20 and 5 mark denominations of the German South West African Mark, for which they were also demonetized (although, they continued use in the metropolis of German South West Africa until 1907). In 1923, the coins of the German South West African Mark
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