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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Americans will spend more on cat food this year than baby food.
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The world's youngest parents were 8 and 9 and lived in China in 1910.
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It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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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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