The chemistry of kissing
When lips meet the hormones surge, and mmmm!
In an unromantic and untimely move, days before Valentine’s Day, scientists have just discovered that it’s not just love that makes a kiss feel delicious and exciting.
In 2007, a team of British scientists led the way inkissingresearch when they measured thebrainandheartactivity sparked bypassionateclinches, but found it was less intense that thestimulationproduced by eatingchocolate.
The new American study conducted byWendy Hill, professor of psychology at Lafayette College, Pennsylvania, found thatsensationsof delight during apassionatesmoochare produced by a complex series of chemical processes.
Furthermore the study, reported in today’sTelegraph, showed that while, formen, that process is triggered at the mere touch oflips, women need a little atmosphere thrown in to achieve the same chemical high.
Forwomento experience the same high as men they need additional features such as aromanticenvironment, dimmed lights and mood music.
Hill began the research to find out why the physical activity of rubbing lips with the lips of another can provide such a rewarding emotional response.
Her team used 15 couples as guinea pigs and tested the levels of two hormones, cortisol and oxytocin, before and after they held hands and again before and after they kissed.
Video: science of kissing
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