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
Men laugh longer, louder, and more often than women.
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More boys than girls are born during the day; more girls are born at night.
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76% of Americans celebrate New Year's Eve in groups of less than 20.
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Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Americans collectively eat one hundred pounds of chocolate every second.
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There are two credit cards for every person in the United States.
2
47% of people have a nightmare at least once a month.
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