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The horizontal fraction bar was introduced by the Arabs.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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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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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.