Thus, routine screenings, filled prescriptions, visits to doctors’ offices, and many other factors linked to better health outcomes rose steadily in Kentucky in the four years after that state expanded Medicaid. Such trends lifted the overall well-being of many Kentuckians and particularly helped people who suffered from what are oddly called preexisting conditions like hepatitis C—oddly, in my opinion, because “preexisting” assumes that a person’s existence begins at the consummation of health insurance coverage.

