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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One town in Indiana is called Santa Claus. There is also a Santa, Idaho.
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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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There are six times as many people of Irish descent living in America than in Ireland.
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In the US, there are quite a few cities called Gaylord.
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The United States does not have an official language.
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