As people age, they tend to report more acute or chronic pain — a common sign of getting older. Yet, in the United States, middle-aged adults are now reporting more pain than the elderly, according to a paper published in the Proceedings of the National Academy of Sciences (PNAS). This paradoxical finding is confined to the two-thirds of the U.S. population without a four-year college degree, and happens because each generation of less-educated Americans is experiencing higher pain throughout their lives, the researchers said. To read the full story.