囧研究：一天7杯咖啡能让你活得更久！
<p><span word="The">The</span> <span word="health">health</span> <span word="benefits">benefits</span> <span word="of">of</span> <span word="coffee">coffee</span> <span word="are">are</span> <span word="regularly">regularly</span> <span word="disputed">disputed</span> <span word="but">but</span> <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="has">has</span> <span word="provided">provided</span> <span word="some">some</span> <span word="good">good</span> <span word="news">news</span> <span word="for">for</span> <span word="caffeine">caffeine</span> <span word="lovers">lovers</span>.</p><p>咖啡对于健康的好处通常都会受到争议，不过一项最新研究给咖啡爱好者带来了好消息。</p><p><span word="Researchers">Researchers</span> <span word="from">from</span> <span word="the">the</span> <span word="National">National</span> <span word="Cancer">Cancer</span> <span word="Institute">Institute</span> <span word="and">and</span> <span word="the">the</span> <span word="National">National</span> <span word="Institutes">Institutes</span> <span word="of">of</span> <span word="Health">Health</span> <span word="have">have</span> <span word="found">found</span> <span word="that">that</span> <span word="drinking">drinking</span> <span word="coffee">coffee</span> <span word="is">is</span> <span word="associated">associated</span> <span word="with">with</span> <span word="a">a</span> <span word="lower">lower</span> <span word="risk">risk</span> <span word="of">of</span> <span word="early">early</span> <span word="death">death</span>.</p><p>来自国立癌症研究所和国立卫生研究院的研究者发现，喝咖啡能降低早死的风险。</p><p><span word="In">In</span> <span word="fact">fact</span>, <span word="they">they</span> <span word="revealed">revealed</span> <span word="that">that</span> <span word="drinking">drinking</span> <span word="up">up</span> <span word="to">to</span> <span word="seven">seven</span> <span word="cups">cups</span> <span word="every">every</span> <span word="day">day</span> - <span word="twice">twice</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="caffeine">caffeine</span> <span word="recommended">recommended</span> <span word="by">by</span> <span word="the">the</span> <span word="UK">UK</span> <span word="Food">Food</span> <span word="Standards">Standards</span> <span word="Agency">Agency</span> – <span word="could">could</span> <span word="cut">cut</span> <span word="death">death</span> <span word="rates">rates</span> <span word="by">by</span> 16 <span word="per">per</span> <span word="cent">cent</span>.</p><p>事实上，如果每天喝7杯咖啡，也就是超过英国食品标准署推荐标准的两倍，早死的风险能降低16%。</p><p><span word="For">For</span> <span word="the">the</span> <span word="study">study</span>, <span word="the">the</span> <span word="team">team</span> <span word="used">used</span> <span word="data">data</span> <span word="from">from</span> <span word="the">the</span> <span word="UK">UK</span> <span word="Biobank">Biobank</span>, <span word="through">through</span> <span word="which">which</span> 500,000 <span word="UK">UK</span> <span word="adults">adults</span> <span word="aged">aged</span> <span word="between">between</span> 38 <span word="and">and</span> 73 <span word="completed">completed</span> <span word="health">health</span> <span word="questionnaires">questionnaires</span>, <span word="underwent">underwent</span> <span word="physical">physical</span> <span word="examinations">examinations</span> <span word="and">and</span> <span word="provided">provided</span> <span word="biological">biological</span> <span word="samples">samples</span>.</p><p>为了这项研究，研究小组采用了英国生物样本库的数据，有50万年龄在38至73岁的英国人完成了健康调查问卷，进行了生理测试，并提供了样本。</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="asked">asked</span> <span word="each">each</span> <span word="person">person</span> <span word="about">about</span> <span word="their">their</span> <span word="smoking">smoking</span> <span word="and">and</span> <span word="drinking">drinking</span> <span word="habits">habits</span>, <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="their">their</span> <span word="coffee">coffee</span> <span word="consumption">consumption</span>, <span word="including">including</span> <span word="how">how</span> <span word="many">many</span> <span word="cups">cups</span> <span word="they">they</span> <span word="drank">drank</span> <span word="a">a</span> <span word="day">day</span> <span word="and">and</span> <span word="the">the</span> <span word="type">type</span>: <span word="decaffeinated">decaffeinated</span>, <span word="ground">ground</span> <span word="or">or</span> <span word="instant">instant</span>.</p>
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