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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
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Your heart beats over 36 million times a year.