Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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Parents receive 1 out of every 5 Valentines.
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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