茶或咖啡：哪个更适合你？
<p><span word="Countless">Countless</span> <span word="arguments">arguments</span> <span word="have">have</span> <span word="been">been</span> <span word="waged">waged</span> <span word="over">over</span> <span word="the">the</span> <span word="superiority">superiority</span> <span word="of">of</span> <span word="one">one</span> <span word="beverage">beverage</span> <span word="over">over</span> <span word="the">the</span> <span word="other">other</span>. <span word="But">But</span> <span word="what">what</span> <span word="does">does</span> <span word="the">the</span> <span word="scientific">scientific</span> <span word="evidence">evidence</span> <span word="say">say</span>?</p><p>关于这两种饮料孰优孰劣的问题已经引发了无数争论。但是科学证据是怎样的呢？</p><p><span word="George">George</span> <span word="Orwell">Orwell</span> <span word="may">may</span> <span word="have">have</span> <span word="written">written</span> <span word="that">that</span> “<span word="tea">tea</span> <span word="is">is</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="mainstays">mainstays</span> <span word="of">of</span> <span word="civilization">civilization</span> <span word="in">in</span> <span word="this">this</span> <span word="country">country</span>” – <span word="but">but</span> <span word="even">even</span> <span word="we">we</span> <span word="British">British</span> <span word="have">have</span> <span word="to">to</span> <span word="acknowledge">acknowledge</span> <span word="that">that</span> <span word="our">our</span> <span word="national">national</span> <span word="drink">drink</span> <span word="is">is</span> <span word="facing">facing</span> <span word="stiff">stiff</span> <span word="competition">competition</span> <span word="from">from</span> <span word="the">the</span> <span word="espressos">espressos</span>, <span word="cappuccinos">cappuccinos</span>, <span word="and">and</span> <span word="lattes">lattes</span> <span word="invading">invading</span> <span word="our">our</span> <span word="shores">shores</span>.</p><p>乔治·奥威尔或许写过“茶是这个国家文明的一个支柱”这样的句子——但我们英国人也要承认，随着浓咖啡、卡布奇诺和拿铁侵入国门，我们的全民饮料正面临着激烈的竞争。</p><p><span word="Despite">Despite</span> <span word="the">the</span> <span word="dangers">dangers</span> <span word="of">of</span> <span word="wading">wading</span> <span word="into">into</span> <span word="such">such</span> <span word="a">a</span> <span word="charged">charged</span> <span word="argument">argument</span>, <span word="BBC">BBC</span> <span word="Future">Future</span> <span word="decided">decided</span> <span word="to">to</span> <span word="weigh">weigh</span> <span word="up">up</span> <span word="the">the</span> <span word="relative">relative</span> <span word="merits">merits</span> <span word="of">of</span> <span word="each">each</span> <span word="drink">drink</span>. <span word="There">There</span>’<span word="s">s</span> <span word="no">no</span> <span word="accounting">accounting</span> <span word="for">for</span> <span word="taste">taste</span>, <span word="of">of</span> <span word="course">course</span>, <span word="but">but</span> <span word="we">we</span> <span word="have">have</span> <span word="combed">combed</span> <span word="the">the</span> <span word="scientific">scientific</span> <span word="literature">literature</span> <span word="for">for</span> <span word="their">their</span> <span word="real">real</span>, <span word="measurable">measurable</span> <span word="effects">effects</span> <span word="on">on</span> <span word="our">our</span> <span word="body">body</span> <span word="and">and</span> <span word="mind">mind</span>.</p><p>尽管探讨这个敏感话题充满风险，“<span word="BBC">BBC</span>未来”栏目还是决定对每种饮品的相对优点进行评估。当然，百人百味，但通过精心梳理科学文献，我们找出了它们对人体和大脑真实的、可测量的影响。</p>
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