‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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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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People who have a strong friendship possess the ability to communicate with one another through facial expressions.
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The world's shortest man measures only 21.5 inches.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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