http://www.msnbc.msn.com/id/20228552/wid/11915773?GT1=10316U.S. ranks just 42nd in life expectancy
Lack of insurance, obesity, racial disparities to blame, experts say
Researchers said several factors have contributed to the United States falling behind other industrialized nations.
A major one is that 45 million Americans lack health insurance, while Canada and many European countries have universal health care, they say.