Those who eat most, and who take the most exercise, are not in better health than they who eat just as much as is good for them; and in the same way it is not those who know a great many things, but they who know what is useful who are valuable men.
The creation of public programs to improve the health of women and babies began in nineteenth-century Europe, where governments found themselves in need of robust young men to fight their wars and expand their empires. Following a crushing defeat in the 1871 Franco-Prussian War, for example, France set up a series of…