A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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A person will create enough saliva to fill two average size swimming pools during his lifetime.
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If you're over 100 years old, there's an 80% chance you're a woman.
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Approximately one-third of the population can't snap their fingers!
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More redheads are born in Scotland than in any other part of the world.
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The name "Wendy" was made up for the book Peter Pan!
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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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