Over the last several decades, manufacturing jobs in the U.S. have withered. Meanwhile, health care has become the fastest growing job sector in the country, and it’s been on top for years. According to Gabriel Winant, a historian at the University of Chicago, and author of “The Next Shift: The Fall of Industry and the Rise of Health Care in Rust Belt America,” not only are those two opposing trends related, but there are also some serious consequences to the connection.