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you know that one friend who somehow knows everything about money yeah now imagine they live in your phone say hey to Experian your big financial friend it's the app that helps you check your FICO score find ways to save and basically feel like a financial genius and guess what it's totally free so go on download the Experian app trust me having a BFF like this is a total game Why do we kiss?
Thanks for asking. It turns out kissing might be one of the oldest gestures in the human playbook.
For decades, historians pointed to ancient Indian texts, the Vedasa, written around 1500 BCE, as the earliest written referencing to kissing.
But in 2023, two researchers from the University of Copenhagen pushed that timeline back even further.
They found evidence in ancient Egyptian writings dating to around 2500 BCE.
Among them, a poetic line about a kiss so intoxicating, the writer claimed he didn't need wine or beer to feel drunk, just her lips.
Some scientists think the roots go even deeper, possibly back to prehistoric times.
But even if it feels universal to some of us, kissing isn't a cultural constant.
Do all cultures kiss?
Not quite. A 2015 study published in American Anthropologist surveyed dozens of societies around the world and found that only 46 % associated kissing with romance or sex. So while it's common, it's far from global.
One of the researchers behind the study, anthropologist William Jenkowiak, told the BBC that kissing tends to appear more in cultures that wear more clothing.
Among hunter -gatherer groups, romantic kissing is virtually non -existent, except for the Inuit, who have a practice of pressing or rubbing their noses and lips together.
It's a reminder that kissing, as we know it, isn't a human default.
So where does kissing come from?
One theory suggests that kissing is rooted in early human caregiving.
Some evolutionary psychologists believe that lip -to -lip contact mimics the pre -chewing food and feeding it mouth to mouth, a practice still seen in some animals and in a few human cultures today.
For infants, that kind of closeness would have been comforting.
And over time, the theory goes, those positive associations stuck around.
Is there a more appealing explanation?
Fortunately, yes. Another theory sees kissing as part of a broader system of bonding and attraction.
Our lips are packed with nerve endings, and kissing stimulates a rush of brain chemicals – dopamine, oxytocin, serotonin – that boosts pleasure, trust and emotional connection.
In other words, kissing is a biological reward system.
It feels good, and that might help explain why we keep doing it.
Does kissing have anything to do with smell or taste?
Possibly. Some scientists argue that kissing gives people a subtle way to sniff out compatibility.
disability, picking up on biological cues like immune system differences.
But the science is still unsure.
The role of pheromones in human attraction is controversial and researchers disagree on how much influence scent really has.
There you have it. Now you know why we kiss.
In under three minutes, we answer your questions and help you understand the true meaning behind the trends, concepts and acronyms that are making headlines.
Listen along and you really will know for sure.