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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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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There are approximately 3 million unintended pregnancies in the United States each year.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.