Disability benefit recipients in the United States have nearly doubled in the past two decades, growing substantially faster than the population. It is difficult to estimate how much of this increase is explained by changes in population health, as we often lack a valid counterfactual. We...

The Antebellum Puzzle' describes the situation of declining stature and rising mortality in the three decades prior to the American Civil War (1861-65). It is labeled a puzzle, since this period was one of rapid economic growth and development in the United States. Much of the debate regarding...