First, consider this:
"Hundreds of thousands of Americans file for personal bankruptcy each year because of medical bills—even though they have health insurance, according to a new [2005] study by Harvard University legal and medical researchers."—Study Ties Bankruptcy to Medical Bills, by Reed Abelson, New York Times
And when so many people are forced into poverty by the absence of universal health care, mortgages fail. And that's a major cause of this financial crisis:
"None of this would have happened if the housing market had not imploded, leaving all these firms with staggering losses from their investments tied to mortgages."—How we got here: It's housing, stupid, by Chris Isidore, CNNMoney.com senior writer