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Your heart beats over 36 million times a year.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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There are 60,000 miles of blood vessels in every adult human.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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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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