“At age twenty-six, Virchow wrote passionately that terrible social conditions in an impoverished part of Germany called Upper Silesia were the cause of a malaria and dysentery epidemic. His recommendation to the German government: if it wanted to do something about the epidemic, it needed to end the malnutrition, overcrowding, and poor hygiene. Better yet, he added, allow for a full and unlimited democracy in Upper Silesia.”