The secret behind body clock 人体生物钟之谜
<p><span word="The">The</span> <span word="secret">secret</span> <span word="behind">behind</span> <span word="body">body</span> <span word="clock">clock</span> 人体生物钟之谜</p><p> 人体内有一个独特的生物钟，来适应地球的昼夜变换。它在一天之中的不同时段，对我们的生理功能进行着非常精准的调节，这个生物钟到底是如何工作的？2017年诺贝尔生物学奖获得者们通过分离基因，为我们揭示了到底是什么样的机制使得细胞内的生物钟持续工作。请听报道。</p><p><span word="We">We</span> <span word="spend">spend</span> <span word="around">around</span> <span word="a">a</span> <span word="third">third</span> <span word="of">of</span> <span word="our">our</span> <span word="lives">lives</span> <span word="like">like</span> <span word="this">this</span>. </p><p><span word="Sleeping">Sleeping</span> <span word="at">at</span> <span word="night">night</span> <span word="and">and</span> <span word="being">being</span> <span word="active">active</span> <span word="during">during</span> <span word="the">the</span> <span word="day">day</span> <span word="is">is</span> <span word="second">second</span> <span word="nature">nature</span>. <span word="That">That</span>'<span word="s">s</span> <span word="because">because</span> <span word="we">we</span>'<span word="re">re</span> <span word="at">at</span> <span word="the">the</span> <span word="mercy">mercy</span> <span word="of">of</span> <span word="the">the</span> <span word="constant">constant</span> <span word="ticking">ticking</span> <span word="of">of</span> <span word="clocks">clocks</span> <span word="inside">inside</span> <span word="nearly">nearly</span> <span word="every">every</span> <span word="cell">cell</span> <span word="of">of</span> <span word="our">our</span> <span word="bodies">bodies</span>. <span word="Our">Our</span> <span word="mood">mood</span>, <span word="strength">strength</span>, <span word="hormone">hormone</span> <span word="levels">levels</span>, <span word="body">body</span> <span word="temperature">temperature</span>, <span word="metabolism">metabolism</span> <span word="and">and</span> <span word="even">even</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="a">a</span> <span word="heart">heart</span> <span word="attack">attack</span> <span word="all">all</span> <span word="fluctuate">fluctuate</span> <span word="in">in</span> <span word="a">a</span> <span word="daily">daily</span> <span word="rhythm">rhythm</span>. </p><p><span word="This">This</span> <span word="clock">clock</span> <span word="is">is</span> <span word="not">not</span> <span word="controlled">controlled</span> <span word="by">by</span> <span word="cogs">cogs</span> <span word="and">and</span> <span word="pendulums">pendulums</span>. <span word="Instead">Instead</span>, <span word="it">it</span>'<span word="s">s</span> <span word="the">the</span> <span word="swing">swing</span> <span word="in">in</span> <span word="gene">gene</span> <span word="activity">activity</span> <span word="over">over</span> 24 <span word="hours">hours</span> <span word="that">that</span> <span word="keeps">keeps</span> <span word="our">our</span> <span word="body">body</span>'<span word="s">s</span> <span word="time">time</span>. <span word="The">The</span> <span word="US">US</span>’<span word="s">s</span> <span word="trio">trio</span> <span word="Jeffrey">Jeffrey</span> <span word="Hall">Hall</span>, <span word="Michael">Michael</span> <span word="Rosbash">Rosbash</span> <span word="and">and</span> <span word="Michael">Michael</span> <span word="Young">Young</span> <span word="found">found</span> <span word="the">the</span> <span word="genes">genes</span> <span word="involved">involved</span>. </p><p><span word="Dr">Dr</span> <span word="Michael">Michael</span> <span word="Hastings">Hastings</span>, <span word="a">a</span> <span word="circadian">circadian</span> <span word="rhythm">rhythm</span> <span word="scientist">scientist</span> <span word="in">in</span> <span word="Cambridge">Cambridge</span>, <span word="said">said</span> <span word="it">it</span> <span word="took">took</span> <span word="the">the</span> <span word="discovery">discovery</span> <span word="for">for</span> <span word="the">the</span> <span word="field">field</span> <span word="to">to</span> <span word="be">be</span> <span word="treated">treated</span> <span word="seriously">seriously</span>. </p><p><span word="Nobody">Nobody</span> <span word="now">now</span> <span word="doubts">doubts</span> <span word="the">the</span> <span word="importance">importance</span> <span word="of">of</span> <span word="our">our</span> <span word="body">body</span> <span word="clocks">clocks</span>. <span word="Ask">Ask</span> <span word="someone">someone</span> <span word="who">who</span> <span word="is">is</span> <span word="jet">jet</span> <span word="lagged">lagged</span> <span word="or">or</span> <span word="working">working</span> <span word="shifts">shifts</span> <span word="what">what</span> <span word="it">it</span>'<span word="s">s</span> <span word="like">like</span> <span word="to">to</span> <span word="live">live</span> <span word="out">out</span> <span word="of">of</span> <span word="sync">sync</span> <span word="with">with</span> <span word="your">your</span> <span word="internal">internal</span> <span word="clock">clock</span>. </p><p><span word="Long">Long</span>-<span word="term">term</span> <span word="circadian">circadian</span> <span word="rhythm">rhythm</span> <span word="disruption">disruption</span> <span word="is">is</span> <span word="linked">linked</span> <span word="to">to</span> <span word="a">a</span> <span word="host">host</span> <span word="of">of</span> <span word="diseases">diseases</span>, <span word="from">from</span> <span word="cancer">cancer</span> <span word="to">to</span> <span word="type">type</span> 2 <span word="diabetes">diabetes</span>, <span word="but">but</span> <span word="understanding">understanding</span> <span word="how">how</span> <span word="the">the</span> <span word="body">body</span>’<span word="s">s</span> <span word="timepiece">timepiece</span> <span word="works">works</span> <span word="is">is</span> <span word="also">also</span> <span word="unlocking">unlocking</span> <span word="new">new</span> <span word="ideas">ideas</span>, <span word="like">like</span> <span word="taking">taking</span> <span word="medicines">medicines</span> <span word="at">at</span> <span word="the">the</span> <span word="time">time</span> <span word="of">of</span> <span word="day">day</span> <span word="when">when</span> <span word="they">they</span> <span word="will">will</span> <span word="have">have</span> <span word="the">the</span> <span word="biggest">biggest</span> <span word="impact">impact</span> <span word="on">on</span> <span word="the">the</span> <span word="body">body</span>.</p>
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