Romantic couple in love kissing while lying on grass in spring park. Vintage date, woman in dress and man wearing suspenders with bow tie. Sun flare

We’ve all been there before. That moment when you share a kiss with someone you love. There’s just something magical about it that gives your body a physiological response like something from the movies. In celebration of Valentine’s Day, we wanted to have a look at what’s happening on the microbial level.

 Facts You Didn’t Know About Kissing

1. According to NPR “A passionate kiss that lasts more than 10 seconds transfers about 80 million bacteria, researchers say.”

Wow, seems that you’re swapping more than just saliva!

2. If you know anything about the microbiome — the good and bad bacteria that comprise a certain environment (think gut) — you may be concerned about the impact this has on your oral microbiome. The good news? The microbiome effects are much more fleeting than the lingering satisfaction of a kiss with someone special.

But don’t take our word for it. Hear what the Microbiome Institute says.

“In addition, they discovered that the salivary microbiome is quite transient, and after 2 hours there is little retention of any swapped bacteria.”

Give the Girl a Kiss

Alright, now that we know about the microbial exchange that happens and just how minimal the impact on this microbiome is, go ahead and share a peck.

Happy Valentine’s Day, and thanks for stopping by!