Surprising Scientific Facts About Kissing You Didn’t Know


Who doesn’t love a good kiss? It’s intimate, passionate, and can sometimes be downright magical. But did you know that there is actually some science behind kissing?

Believe it or not, there are quite a few surprising facts about kissing that you probably didn’t know. In this article, we will discuss some of the most interesting scientific findings about kisses. So without further ado, let’s get started!

Surprising Scientific Facts About Kissing

Have you ever wondered just how important kissing is? Turns out, it’s pretty important! Kissing has all sorts of benefits for your health and well-being.

Here are some surprising scientific facts about kissing that you may not have known. Read on to learn more!

#1 – It’s called philematology

Did you know that there is an actual scientific name for the study of kissing?

It’s called philematology!

Philematologists have studied everything from the history of kissing to the benefits of kissing.

#2 – Dozens of muscles are involved

Kissing is not as simple as it may seem. In fact, dozens of muscles are involved in the process!

From your lips to your tongue to your facial muscles, kissing requires coordination and skill.

Surprising Scientific Facts About Kissing You Didn't Know

#3 – You burn calories when you kiss

If you’re looking for a way to burn a few extra calories, kissing is a great option! In fact, you can burn up to two calories per minute when you’re kissing.

So next time you’re feeling guilty about indulging in a make-out session, remember that you’re actually doing something good for your body!

#4 – It keeps your teeth healthy

Kissing can actually be good for your teeth! It helps to remove plaque and bacteria from your teeth and gums, according to this dentist who does the best dental implants in Little Falls NJ.

So if you’re looking for a way to keep your smile healthy and sparkling, make sure you include kissing in your daily routine.

#5 – Expect an increase in dopamine level

When you kiss someone, your brain releases dopamine.

Dopamine is a neurotransmitter that’s responsible for feelings of pleasure and happiness.

#6 – A short kiss transfers millions of bacteria and microbes

Yes, you read that right. A short kiss can transfer millions of bacteria and microbes from one person to another.

But don’t worry, most of these microbes are actually harmless. In fact, some of them might even be good for you!

#7 – Heart beats faster during a passionate kiss

Your heart rate increases when you kiss someone passionately.

In fact, it can even double or triple its normal beat!

So if you’re feeling a little bit nervous before your next big date, just remember that your heart will be racing too.

Surprising Scientific Facts About Kissing You Didn't Know

#8 – Kissing may help you fight infections

Kissing can actually help you fight off infections.

When you kiss someone, you exchange saliva, which contains antibodies that can help protect you from illnesses.

So if your partner has a cold, it might be worth it to give them a little kiss.

#9 – Oxytocin levels skyrocket

When you kiss someone, your levels of oxytocin, also known as the “love hormone,” increase.

This hormone is associated with happiness, stress relief, and bonding.

So if you’re feeling a little down, a kiss from your partner might be just what you need.

#10 – Cortisol level dip

Cortisol is a stress hormone, and when you kiss, your cortisol levels dip.

This means that kissing can actually help reduce stress.

So if you’re feeling stressed out, make sure to give your partner a smooch.

#11 – Kissing lowers blood pressure

When you kiss, your blood pressure lowers.

So if you’re looking for a way to keep your blood pressure in check, kissing might be the answer.

#12 – Brain gets more oxygen

When you kiss, your brain gets more oxygen.

This extra oxygen can help improve your focus and concentration.

#13 – You close your eyes because your pupils dilate

When you kiss, your pupils dilate.

This is why you usually close your eyes when you kiss someone.

Otherwise, it would be pretty difficult to see what you’re doing.

#14 – Guys pass on testosterone

When guys kiss, they pass on testosterone.

This hormone can help to increase a woman’s sex drive.

So if you’re looking for a way to spice up your sex life, kissing might be the answer.

#15 – PDA is about competition

Public displays of affection are often about competition.

Couples will kiss in public to show that they’re in a committed relationship.

It’s a way of saying “this person is mine and no one else can have them.”

#16 – It may also improve allergy symptoms

If you suffer from seasonal allergies, kissing might actually help to relieve your symptoms.

A study found that people who kissed their partners for 30 seconds had lower levels of the IgE antibody.

This is the antibody that’s responsible for causing allergy symptoms.


Kissing is one of the most intimate things two people can do. It’s no wonder so many love stories have been born from a simple kiss. As we’ve seen, there is more to kissing than just lips on lips.

When you kiss someone, you are sharing your world with them. From bacteria to pheromones, everything about you is transferred in that moment of intimacy.

So next time you lock lips with that special someone, remember all the science behind why it feels so good. Who knows? You may even learn something new about yourself!

Kelly Rodriguez
Kelly Rodriguez
Where Sophistication and Style Meet.

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