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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According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
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In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
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The first semi-permanent settlements appeared in Florida around 5000 B.C.
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Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
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Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
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50% of pizzas in America are pepperoni.
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