"You must remember this, a kiss is just a kiss", so the song goes. But... is a kiss just a kiss?
Science says 'no'.
A passionate kiss causes our blood vessels to dilate as the brain receives more oxygen than normal. Our cheeks flush, our pulse quickens, and breathing becomes irregular and deepens. Our pupils dilate, which may be the reason so many of us close our eyes. We also activate five of our twelve cranial nerves that spread out intricately to different parts of the face. The nerve pathways guide the way we interpret the world by helping us see, smell, hear, taste, and touch.
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| The Kiss, by Rodin |
A passionate kiss causes our blood vessels to dilate as the brain receives more oxygen than normal. Our cheeks flush, our pulse quickens, and breathing becomes irregular and deepens. Our pupils dilate, which may be the reason so many of us close our eyes. We also activate five of our twelve cranial nerves that spread out intricately to different parts of the face. The nerve pathways guide the way we interpret the world by helping us see, smell, hear, taste, and touch.
How does a kiss work? It acts like a drug by stimulating the natural chemicals in our bodies. When there’s real “chemistry” between two people, the right kiss can spark the magic of true romance by triggering a cocktail of hormones and neurotransmitters to course through our brains and bodies.
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