Life expectancy in U.S. trails top nations - CNN

(Health.com) -- Life expectancy in most U.S. counties lags behind that of the world's healthiest nations, in some cases by 50 years or more, according to a new analysis of government data. - Life expectancy in US trails top nations -- Health.com: How to live to 100 - Health.com: The best anti-aging secrets - Health.com: The biggest myths about longevity - Health.com: How much does smoking shorten your life span?