America ranks 49th in life expectancy worldwide, putting it lower than a dozen other developed nations.
However, researchers determined that obesity, traffic accidents and a high murder rate may not be the main causes -- the U.S. didn't stand out as doing any worse in these areas than any of the other countries studied.
Instead, poor health care may be to blame. Factors such as costly specialized and fragmented care are likely playing a large role in the nation's poor performance.
Commenting on the study in Salon, Glenn Greenwald noted:
"It's easy to say and easy to document, but quite difficult to really internalize, that the United States is in the process of imperial collapse. Every now and then, however, one encounters certain facts which compellingly and viscerally highlight how real that is."