By The Data Team

OVER the past 100 years, mankind has made great leaps in eliminating diseases and learning how to keep people alive. The life expectancy of a person born in America in 1900 was just 47 years. Eighty years later that figure had increased to 70 years for men and 77 years for women. But since then progress has slowed: a boy born in America in 2013 is expected to live just six years longer than his 1990 cohort. And not all of his twilight years will be golden.

By Johnny Harris

Where you were born can dramatically affect how and at what age you die. That's the conclusion the 2013 edition of a Global Burden of Disease study. Watch how and why people are dying early in every country:

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By Brady Dennis

One of the biggest hurdles to halting foodborne illness outbreaks is spotting the source of the problem – and spotting it quickly. More often than not, by the time authorities recognize an outbreak of salmonella, listeria or any of the other pathogens that sicken an estimated 48 million Americans each year, it already has had time to spread.

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By Will Greene / Techonomy

In many emerging markets, reliable data on healthcare systems is limited or nonexistent. This makes it difficult to address urgent healthcare challenges in many countries. But a growing number of tech entrepreneurs and public health activists are finding ways to fill the data gaps.