A Global Look at Longevity

United States Life expectancy at birth: 78.1 Over the course of a century, antibiotics, better sanitation and other advances have added three decades to the average Americans life.
David Brabyn / Corbis

United States
Life expectancy at birth: 78.1
Over the course of a century, antibiotics, better sanitation and other advances have added three decades to the average American's life.

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