Each year, around 24,000 Americans are bitten by rats!
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One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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The first semi-permanent settlements appeared in Florida around 5000 B.C.
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Saint Augustine, Florida, is the oldest European settlement in North America.
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Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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The United States does not have an official language.
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