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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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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In Kentucky, US, every citizen is required by law to take a bath at least once a year.
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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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One town in Indiana is called Santa Claus. There is also a Santa, Idaho.
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In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
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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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Theodore Roosevelt read at least one book every day.
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