Valentine's Day has arrived, and love people kiss passion to enjoy the relaxed and excited feelings. At such moments, apart from the role of mutual love between them, there are a series of complex chemical reactions.
Studies have shown that women like men in order to experience the chemical climax, just a kiss is not enough, also need to light the dark romantic atmosphere and rich style of music and so on.
Lafayette College, Pennsylvania Wendy. Professor Hale began to study why the lips such as friction ordinary body movements can cause such an emotional reaction to meet.
Her team tested 15 pairs of men and women in before and after shaking hands and kissing, in vivo cortisol and the pituitary levels of two hormones changing circumstances.
They found that kissing will reduce cortisol levels, which are a kind of gender in stress hormones produced. Pituitary hormones and social relations are a hormone-related, through kissing should be able to upgrade, but only an increase of the body in a Man.
Initial test was conducted by the University Health Center. Since then, scientists in more duplication between lovers such tests, whether the initial test in order to observe the situation is not very romantic and as a result prevented the increase in female hormones.
The final results will be held in Chicago this week, American Association for the Advancement of Science annual meeting presents out.
Professor Hale said, "This study shows that kissing has a very complex mechanism, it is the cause hormonal changes, as well as we have never thought of things happen in the process."
Kissing is how hormones trigger a reaction is not very clear, but some scientists believe is due to pheromones in the exchange between men and women caused by pheromones secreted by the human body are used to attract the opposite sex, are present in saliva.
Such as kissing an interactive also has health benefits, the University of New Jersey Helen. Fischi / D said, "If you share other people's micro-organisms, can enhance the body's disease-prevention system."
This is not the analysis of the physiological effect of kissing the initial study. British scientists in 2007 were measured by the passion caused by cardiovascular and cerebrovascular kiss activities, but found that the effect of kissing by eating chocolate has not yet generated a strong stimulus. Research also shows that romantic love with the neural activity related to love for the brain scan shows the effects with the effects of cocaine is very similar.
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