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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On average, men's noses are 10% larger than women's.
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Only 2% of the worlds population is blonde.
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The average woman uses her height in lipstick every 5 years.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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