At the start of the 20th century the average American was probably malnourished and everyone had pellagra, because we cared more about growing cash crops than w

At the start of the 20th century the average American was probably malnourished and everyone had pellagra, because we cared more about growing cash crops than whether poor people were fed or not. This eventually changed because it meant we couldn't draft enough people healthy enough to go to war.