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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Illicit drug use costs the United States approximately $181 billion every year.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.