Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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.
25
Parents receive 1 out of every 5 Valentines.
20
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
You burn 26 calories in a one minute kiss.
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