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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A group of pugs is called a grumble.
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A new born kangaroo is small enough to fit in a spoon!
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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