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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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Americans did not commonly use forks until after the Civil War.
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Yawns are more contagious among people with closer relationships.
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The world's tallest man reached 8 feet 11 inches at 21.
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35% of the people using personal ads for dating are already married!
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