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Kiss and Tell: The Physiology of Smooching

The simple act of kissing is loaded, not only on the emotional front but physiologically as well. I didn't expect to find information about kissing in the usually unsexy Scientific American, but I learned some interesting things about kissing and just needed to share. Especially since Valentine's Day is only two days away.

Here are some new things I learned about the ancient art of kissing:

  • The uber romantic act of kissing may have evolved from the unappetizing practice of pre-chewing food for babies. Primate mothers chew food for their offspring and then feed them from their mouths.
  • If kissing makes you feel thin skinned, it could be because our lips have the thinnest layer of skin in the entire human body. Yet, lips are densely packed with sensory neurons that quickly send impulses to the brain.
  • Kissing may reduces stress chemicals in the body. So you might want to experiment with kissing the stress away.
  • Kissing couples tilt their heads to the right twice as often as they tilt to the left, and this tendency doesn't seem to be related to being right or left handed.
  • A Gallup survey revealed that out of 58 men, 59 percent of them lost their romantic interest in their kissing partner after a "bad" first kiss. Women seem to be a little more discerning as 66 percent out of 122 women dropped a potential love interest after a first kiss didn't pass muster.

Source

Join The Conversation
smoochiez smoochiez 9 years
i love kissing! cant you tell by my screen name? =p MWAH
ElectroPopTart ElectroPopTart 9 years
OOOh, where's my boyfriend! I love to kiss, BUT I'm a HUGE complainer of bad breath. LOL. Much to my boyfriend's dismay. I'm always like "eat some gum!". I need that minty smell ONLY.
AlliePing AlliePing 9 years
smooches!
Jeny Jeny 9 years
awesome!
Lovely_1 Lovely_1 9 years
I love kissing! It is one of my favorite activites hehehe!
pink-elephant pink-elephant 9 years
that was so interesting!
aimeeb aimeeb 9 years
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