If you read only one article on health care reform...

...then you've probably read it already, or you're never going to at all. But in case you haven't found that one article, hie yourself to The New Republic. There Harold Pollack has some clarity on the relationship between universal coverage and improved mortality

would universal coverage make people tangibly healthier? You betcha.

but says something else even more important:

there are other ways to save thousands of lives that are much more cost-effective than expanding health insurance coverage. We systematically neglect these other opportunities.