新研究，不同的人喝咖啡喝到的味道不一样
<p><span word="Do">Do</span> <span word="you">you</span> <span word="prefer">prefer</span> <span word="coffee">coffee</span> <span word="or">or</span> <span word="tea">tea</span>? <span word="The">The</span> <span word="answer">answer</span> <span word="to">to</span> <span word="that">that</span> <span word="question">question</span> <span word="might">might</span> <span word="in">in</span> <span word="part">part</span> <span word="be">be</span> <span word="down">down</span> <span word="to">to</span> <span word="your">your</span> <span word="genes">genes</span>, <span word="research">research</span> <span word="suggests">suggests</span>.</p><p>你喜欢咖啡还是茶？根据现在的研究显示，这个问题的答案可能取决于你的基因。</p><p><span word="Scientists">Scientists</span> <span word="say">say</span> <span word="a">a</span> <span word="genetic">genetic</span> <span word="predisposition">predisposition</span> <span word="to">to</span> <span word="perceiving">perceiving</span> <span word="the">the</span> <span word="bitterness">bitterness</span> <span word="of">of</span> <span word="particular">particular</span> <span word="substances">substances</span> <span word="appears">appears</span> <span word="to">to</span> <span word="nudge">nudge</span> <span word="us">us</span> <span word="towards">towards</span> <span word="one">one</span> <span word="beverage">beverage</span> <span word="or">or</span> <span word="the">the</span> <span word="other">other</span>.</p><p>科学家们说：有一个基因上的差异关系到我们如何感知特定物质苦味，它似乎决定了我们更喜欢哪种饮料。</p><p><span word="Dr">Dr</span> <span word="Marilyn">Marilyn</span> <span word="Cornelis">Cornelis</span>, <span word="co">co</span>-<span word="author">author</span> <span word="of">of</span> <span word="the">the</span> <span word="research">research</span> <span word="from">from</span> <span word="Northwestern">Northwestern</span> <span word="University">University</span> <span word="in">in</span> <span word="Illinois">Illinois</span>, <span word="said">said</span>: “<span word="The">The</span> <span word="study">study</span> <span word="adds">adds</span> <span word="to">to</span> <span word="our">our</span> <span word="understanding">understanding</span> <span word="of">of</span> <span word="factors">factors</span> <span word="determining">determining</span> <span word="beverage">beverage</span> <span word="preferences">preferences</span> – <span word="taste">taste</span>, <span word="in">in</span> <span word="particular">particular</span> – <span word="and">and</span> <span word="why">why</span>, <span word="holding">holding</span> <span word="all">all</span> <span word="other">other</span> <span word="factors">factors</span> <span word="constant">constant</span>, <span word="we">we</span> <span word="still">still</span> <span word="see">see</span> <span word="marked">marked</span> <span word="between">between</span>-<span word="person">person</span> <span word="differences">differences</span> <span word="in">in</span> <span word="beverage">beverage</span> <span word="preference">preference</span> <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="the">the</span> <span word="amount">amount</span> <span word="we">we</span> <span word="consume">consume</span>.”</p><p>这项研究来自美国伊利诺伊州的西北大学，其中的联合作者<span word="Marilyn">Marilyn</span> <span word="Cornelis">Cornelis</span>博士说：“这项研究让我们对饮料偏好的理解又深了一步，尤其是在口味方面，它同时还解释了为什么会有这样的差异；在所有其他变量控制不变的前提下，我们依然发现饮料偏好和饮用量在人与人之间有明显的差异。”</p><p><span word="The">The</span> <span word="study">study</span>, <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="Scientific">Scientific</span> <span word="Reports">Reports</span> <span word="journal">journal</span>, <span word="involved">involved</span> <span word="two">two</span> <span word="sets">sets</span> <span word="of">of</span> <span word="data">data</span>. <span word="The">The</span> <span word="first">first</span> <span word="was">was</span> <span word="a">a</span> <span word="large">large</span> <span word="twin">twin</span> <span word="study">study</span> <span word="which">which</span> <span word="showed">showed</span> <span word="that">that</span>, <span word="at">at</span> <span word="least">least</span> <span word="in">in</span> <span word="those">those</span> <span word="of">of</span> <span word="European">European</span> <span word="ancestry">ancestry</span>, <span word="particular">particular</span> <span word="genetic">genetic</span> <span word="variants">variants</span> <span word="are">are</span> <span word="linked">linked</span> <span word="to">to</span> <span word="the">the</span> <span word="strength">strength</span> <span word="of">of</span> <span word="perception">perception</span> <span word="of">of</span> <span word="different">different</span> <span word="tastes">tastes</span>:</p>
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