The Scientific Reason Why We Kiss is Disgusting


Science just made kissing kind of weird, well it many scientists believe that kissing came from the practice of kiss-feeding, where mothers would feed their young mouth-to-mouth.

“This sounds disgusting to most people, but we humans used to do it all the time! From this passing of food, pressing lips became synonymous with love.”

Meanwhile Rafael Wlodarski, an evolutionary behaviouralist specialising in human sexual behaviour at the University of Oxford, found that kissing (in a heterosexual context, anyway) may play a role in selecting mates.

In a paper called ‘Examining the Possible Functions of Kissing in Romantic Relationships’, Wlodarski and his team surveyed over 300 men and just under 600 women, and found that women tended to prioritise a partner’s ability to kiss more than men did.

This was especially the case when figuring out if a partner could be appropriate for a relationship.

Wlodarski also said that kissing seems to be “an activity that is very well placed to help individuals get close enough together to sample each other’s pheromones”.

And if you’re thinking that this could all be rubbish, and we actually just do it because it turns us on, Wlodarski also took this possible explanation into account too.

He said that there is “very little evidence to support the hypothesis that the primary function of kissing is to elevate levels of arousal.”

No wonder some people suck instead of kiss the lips... 

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