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研究:接吻10秒 傳遞8000萬細(xì)菌
One kiss 'shares 80 million bugs'

[ 2014-11-18 16:02] 來源:中國日報網(wǎng)     字號 [] [] []  
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近日一項研究發(fā)現(xiàn),一次10秒的深情擁吻不僅傳遞了愛意,而且還傳遞了至少8000萬的口腔細(xì)菌。研究人員表示,法式熱吻就是短時間傳遞大量口腔細(xì)菌的絕佳案例。

荷蘭研究人員觀測了21對受試情侶的接吻行為,發(fā)現(xiàn)每天接吻9次的情侶共享相似唾液病菌的可能性最大。研究表明,口腔是至少700種細(xì)菌的溫床。這些細(xì)菌中,還有一些具有極高的傳染性。

研究人員讓情侶中的一方喝下含有高識別度菌群的益生菌飲品。在接吻實(shí)驗(yàn)后,科學(xué)家們檢測出約8000萬的細(xì)菌被傳到另一方的口腔里。這一切,僅用了短短10秒鐘。

研究:接吻10秒 傳遞8000萬細(xì)菌

 

A single 10-second kiss can transfer as many as 80 million bacteria, according to Dutch scientists.

They monitored the kissing behaviour of 21 couples and found those who kissed nine times a day were most likely to share salivary bugs.

Studies suggest the mouth is home to more than 700 different types of bacteria - but the report reveals some are exchanged more easily than others.

The research is published in the journal Microbiome.

Locked lips

A team from the Netherlands Organisation for Applied Scientific Research (TNO) asked 21 couples a series of questions to assess their kissing habits, including how frequently they had kissed in the last year and when they last locked lips.

Scientists took bacterial samples from the volunteers' tongues and saliva before and after a strictly timed 10-second kiss.

One member of the couple then drank a probiotic drink, containing an easily identifiable mixture of bugs.

On the couple's second kiss, scientists were able to detect the volume of bacteria transferred to the other partner - on average 80 million bacteria in a single 10-second kiss.

But while bacteria in the saliva seemed to change quickly in response to a kiss, bug populations on the tongue remained more stable.

Prof Remco Kort, who led the research, said: "French kissing is a great example of exposure to a gigantic number of bacteria in a short time.

"But only some bacteria transferred from a kiss seemed to take hold on the tongue.

"Further research should look at the properties of the bacteria and the tongue that contribute to this sticking power.

"These types of investigations may help us design future bacterial therapies and help people with troublesome bacterial problems."

The Dutch scientists worked in collaboration with the museum Micropia, the world's first museum of microbes, based in Amsterdam.

In a newly opened exhibition, couples are invited to share a kiss and are provided with an instant analysis of the bugs they have exchanged.

A growing number of researchers are looking at the microbiome - an ecosystem of some 100 trillion micro-organisms that live in and on our bodies.

Scientists say these populations may be essential for health and the prevention of disease.

 

(來源:中國日報網(wǎng)愛新聞iNews 編輯:丹妮)

 

 
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