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.
30
Girls have more tastebuds than boys.
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47% of people have a nightmare at least once a month.
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Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
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The average woman uses her height in lipstick every 5 years.
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More redheads are born in Scotland than in any other part of the world.
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