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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Dolphins have names for one another.
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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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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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