47% of people have a nightmare at least once a month.
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During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
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Men laugh longer, louder, and more often than women.
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The higher the income, the more likely an American man will cheat on his wife.
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People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
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Yawns are more contagious among people with closer relationships.
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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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