常上夜班干扰身体节律 对肠胃破坏极大
<p><span word="Working">Working</span> <span word="night">night</span> <span word="shifts">shifts</span> <span word="can">can</span> <span word="mess">mess</span> <span word="up">up</span> <span word="the">the</span> <span word="body">body</span>'<span word="s">s</span> <span word="natural">natural</span> <span word="rhythms">rhythms</span> <span word="so">so</span> <span word="much">much</span> <span word="that">that</span> <span word="the">the</span> <span word="brain">brain</span> <span word="and">and</span> <span word="digestive">digestive</span> <span word="system">system</span> <span word="end">end</span> <span word="up">up</span> <span word="completely">completely</span> <span word="out">out</span> <span word="of">of</span> <span word="kilter">kilter</span> <span word="with">with</span> <span word="one">one</span> <span word="another">another</span>, <span word="scientists">scientists</span> <span word="say">say</span>.</p><p>科学家们声称，上夜班可能会干扰身体的自然节律，从而导致大脑和消化系统变得完全格格不入。</p><p><span word="Three">Three</span> <span word="night">night</span> <span word="shifts">shifts</span> <span word="in">in</span> <span word="a">a</span> <span word="row">row</span> <span word="had">had</span> <span word="little">little</span> <span word="impact">impact</span> <span word="on">on</span> <span word="the">the</span> <span word="body">body</span>'<span word="s">s</span> <span word="master">master</span> <span word="clock">clock</span> <span word="in">in</span> <span word="the">the</span> <span word="brain">brain</span>, <span word="researchers">researchers</span> <span word="found">found</span>, <span word="but">but</span> <span word="it">it</span> <span word="played">played</span> <span word="havoc">havoc</span> <span word="with">with</span> <span word="gut">gut</span> <span word="function">function</span>, <span word="throwing">throwing</span> <span word="the">the</span> <span word="natural">natural</span> <span word="cycle">cycle</span> <span word="out">out</span> <span word="by">by</span> <span word="a">a</span> <span word="full">full</span> 12 <span word="hours">hours</span>.</p><p>研究人员发现，连续三个夜班对大脑中的身体主时钟没有多少影响，但它对肠胃功能造成了巨大破坏，让有关的自然周期出现了整整12小时的偏差。</p><p><span word="The">The</span> <span word="finding">finding</span> <span word="highlights">highlights</span> <span word="the">the</span> <span word="dramatic">dramatic</span> <span word="impact">impact</span> <span word="that">that</span> <span word="night">night</span> <span word="shifts">shifts</span> <span word="can">can</span> <span word="have">have</span> <span word="on">on</span> <span word="the">the</span> <span word="different">different</span> <span word="clocks">clocks</span> <span word="that">that</span> <span word="govern">govern</span> <span word="the">the</span> <span word="natural">natural</span> <span word="rhythms">rhythms</span> <span word="of">of</span> <span word="organs">organs</span> <span word="and">and</span> <span word="systems">systems</span> <span word="throughout">throughout</span> <span word="the">the</span> <span word="human">human</span> <span word="body">body</span>.</p><p>这些发现凸显了夜班对自然节律（负责管理人体各个器官与系统）的不同生物钟的巨大影响。</p>
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