The research group responsible for the findings were tasked with finding out why the American life expectancyrate his been rising slower than other rich countries despite spending more on health care than any other nation.
Basic social indicators such us life expectancy, mortality rate, and water and electricity availability rank alongside countries with twice the income per person.
Demographic factors such as the growing number of single person households, longer life expectancy and a higher divorce rate have contributed to demand and the upward pressure on prices.