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Did you know?
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.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Vaccines prevent between 2.5 and 4 million deaths every year.