研究：接吻10秒 传递8000万细菌
<p>近日一项研究发现，一次10秒的深情拥吻不仅传递了爱意，而且还传递了至少8000万的口腔细菌。研究人员表示，法式热吻就是短时间传递大量口腔细菌的绝佳案例。</p><p>荷兰研究人员观测了21对受试情侣的接吻行为，发现每天接吻9次的情侣共享相似唾液病菌的可能性最大。研究表明，口腔是至少700种细菌的温床。这些细菌中，还有一些具有极高的传染性。</p><p>研究人员让情侣中的一方喝下含有高识别度菌群的益生菌饮品。在接吻实验后，科学家们检测出约8000万的细菌被传到另一方的口腔里。这一切，仅用了短短10秒钟。</p><p><span word="A">A</span> <span word="single">single</span> 10-<span word="second">second</span> <span word="kiss">kiss</span> <span word="can">can</span> <span word="transfer">transfer</span> <span word="as">as</span> <span word="many">many</span> <span word="as">as</span> 80 <span word="million">million</span> <span word="bacteria">bacteria</span>, <span word="according">according</span> <span word="to">to</span> <span word="Dutch">Dutch</span> <span word="scientists">scientists</span>.</p><p><span word="They">They</span> <span word="monitored">monitored</span> <span word="the">the</span> <span word="kissing">kissing</span> <span word="behaviour">behaviour</span> <span word="of">of</span> 21 <span word="couples">couples</span> <span word="and">and</span> <span word="found">found</span> <span word="those">those</span> <span word="who">who</span> <span word="kissed">kissed</span> <span word="nine">nine</span> <span word="times">times</span> <span word="a">a</span> <span word="day">day</span> <span word="were">were</span> <span word="most">most</span> <span word="likely">likely</span> <span word="to">to</span> <span word="share">share</span> <span word="salivary">salivary</span> <span word="bugs">bugs</span>.</p><p><span word="Studies">Studies</span> <span word="suggest">suggest</span> <span word="the">the</span> <span word="mouth">mouth</span> <span word="is">is</span> <span word="home">home</span> <span word="to">to</span> <span word="more">more</span> <span word="than">than</span> 700 <span word="different">different</span> <span word="types">types</span> <span word="of">of</span> <span word="bacteria">bacteria</span> - <span word="but">but</span> <span word="the">the</span> <span word="report">report</span> <span word="reveals">reveals</span> <span word="some">some</span> <span word="are">are</span> <span word="exchanged">exchanged</span> <span word="more">more</span> <span word="easily">easily</span> <span word="than">than</span> <span word="others">others</span>.</p><p><span word="The">The</span> <span word="research">research</span> <span word="is">is</span> <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="journal">journal</span> <span word="Microbiome">Microbiome</span>.</p><p><span word="Locked">Locked</span> <span word="lips">lips</span></p><p><span word="A">A</span> <span word="team">team</span> <span word="from">from</span> <span word="the">the</span> <span word="Netherlands">Netherlands</span> <span word="Organisation">Organisation</span> <span word="for">for</span> <span word="Applied">Applied</span> <span word="Scientific">Scientific</span> <span word="Research">Research</span> (<span word="TNO">TNO</span>) <span word="asked">asked</span> 21 <span word="couples">couples</span> <span word="a">a</span> <span word="series">series</span> <span word="of">of</span> <span word="questions">questions</span> <span word="to">to</span> <span word="assess">assess</span> <span word="their">their</span> <span word="kissing">kissing</span> <span word="habits">habits</span>, <span word="including">including</span> <span word="how">how</span> <span word="frequently">frequently</span> <span word="they">they</span> <span word="had">had</span> <span word="kissed">kissed</span> <span word="in">in</span> <span word="the">the</span> <span word="last">last</span> <span word="year">year</span> <span word="and">and</span> <span word="when">when</span> <span word="they">they</span> <span word="last">last</span> <span word="locked">locked</span> <span word="lips">lips</span>.</p><p><span word="Scientists">Scientists</span> <span word="took">took</span> <span word="bacterial">bacterial</span> <span word="samples">samples</span> <span word="from">from</span> <span word="the">the</span> <span word="volunteers">volunteers</span>' <span word="tongues">tongues</span> <span word="and">and</span> <span word="saliva">saliva</span> <span word="before">before</span> <span word="and">and</span> <span word="after">after</span> <span word="a">a</span> <span word="strictly">strictly</span> <span word="timed">timed</span> 10-<span word="second">second</span> <span word="kiss">kiss</span>.</p>
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