Health

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Worst states for health care

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Health

Coral reefs: How they work, why they're in danger, and why it matters

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Countries most affected by tsunamis

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15 ways air travel can affect your health

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Countries with the best life expectancy

Great-grandmother celebrating her 100th birthday with her great-granddaughter with a chocolate cake.

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Biggest outbreaks in every state from the past decade

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Best exercises that burn calories

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States getting the least sleep

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The most common health conditions affecting Americans

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Sunniest states in the U.S.