Expensive hospitals aren’t better hospitals

More expensive hospitals tend to have higher prestige and brand-name recognition, but there's no clear evidence that they're actually providing better health care.

By Sarah Kliff January 31

How Aetna’s CEO thinks about Obamacare

Aetna chief executive Mark Bertolini spoke Wednesday at the J.P. Morgan Health Care Conference--and he had a lot to say about the health care law's rollout.

By Sarah Kliff January 17

What 2014 means for Obamacare

It's hard to overstate the magnitude of changes being made today to the individual health-insurance market.

By Sarah Kliff January 1