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 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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50% of pizzas in America are pepperoni.
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Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
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In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
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The Internal Revenue Service audits 87 percent of women who claim breast implants as tax deductions.
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