"nation's life-expectancy trend has reversed by four years since 1990 for the country's least-educated whites"

http://www.kaiserhealthnews.org/Daily-Reports/2012/September/21/life-span-and-alz.aspx

Smoking, Obesity And Lack Of Insurance May Be Shortening Life Span For Some Americans

SEP 21, 2012

"The New York Times reports that the nation's life-expectancy trend has reversed by four years since 1990 for the country's least-educated whites.

The New York Times: Reversing Trend, Life Span Shrinks For Some Whites

The reasons for the decline remain unclear, but researchers offered possible explanations, including a spike in prescription drug overdoses among young whites, higher rates of smoking among less educated white women, rising obesity, and a steady increase in the number of the least educated Americans who lack health insurance (Tavernise, 9/20)."