瑞典科学家：缺觉等于头部遭重击
<p><span word="Ever">Ever</span> <span word="feel">feel</span> <span word="like">like</span> <span word="you">you</span>’<span word="ve">ve</span> <span word="been">been</span> <span word="hit">hit</span> <span word="on">on</span> <span word="the">the</span> <span word="head">head</span> <span word="after">after</span> <span word="a">a</span> <span word="bad">bad</span> <span word="night">night</span>’<span word="s">s</span> <span word="sleep">sleep</span>? <span word="According">According</span> <span word="to">to</span> <span word="scientists">scientists</span>, <span word="the">the</span> <span word="thought">thought</span> <span word="isn">isn</span>’<span word="t">t</span> <span word="as">as</span> <span word="far">far</span>-<span word="fetched">fetched</span> <span word="as">as</span> <span word="it">it</span> <span word="seems">seems</span>.</p><p>如果晚上没睡好，第二天会不会有种撞过头的感觉？据科学家研究，这种想法和实际情况相差不远。</p><p><span word="A">A</span> <span word="study">study</span> <span word="found">found</span> <span word="going">going</span> <span word="without">without</span> <span word="sleep">sleep</span> <span word="for">for</span> <span word="just">just</span> <span word="one">one</span> <span word="night">night</span> <span word="causes">causes</span> <span word="changes">changes</span> <span word="in">in</span> <span word="the">the</span> <span word="brain">brain</span> <span word="similar">similar</span> <span word="to">to</span> <span word="those">those</span> <span word="that">that</span> <span word="occur">occur</span> <span word="after">after</span> <span word="a">a</span> <span word="blow">blow</span> <span word="to">to</span> <span word="the">the</span> <span word="head">head</span>.</p><p>一项研究发现，即使只通宵一晚，对大脑造成的损伤足以抵得上对头部的一次重击。</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="said">said</span> <span word="the">the</span> <span word="healthy">healthy</span> <span word="young">young</span> <span word="men">men</span> <span word="examined">examined</span> <span word="in">in</span> <span word="the">the</span> <span word="study">study</span> <span word="showed">showed</span> <span word="a">a</span> <span word="spike">spike</span> <span word="in">in</span> <span word="the">the</span> <span word="same">same</span> <span word="chemicals">chemicals</span> <span word="which">which</span> <span word="indicate">indicate</span> <span word="brain">brain</span> <span word="damage">damage</span>.</p><p>研究人员说，研究中接受检查的健康年轻人显示出一种会导致脑损伤的化学物质剧增。</p><p><span word="Professor">Professor</span> <span word="Christian">Christian</span> <span word="Benedict">Benedict</span>, <span word="of">of</span> <span word="Uppsala">Uppsala</span> <span word="University">University</span>, <span word="Sweden">Sweden</span>, <span word="explained">explained</span> <span word="that">that</span> <span word="the">the</span> <span word="chemcials">chemcials</span> <span word="NSE">NSE</span> <span word="and">and</span> <span word="S">S</span>-100<span word="B">B</span> <span word="are">are</span> <span word="biomarkers">biomarkers</span> <span word="for">for</span> <span word="brain">brain</span> <span word="damage">damage</span>, <span word="such">such</span> <span word="as">as</span> <span word="concussion">concussion</span>.</p><p>瑞典乌普萨拉大学克里斯蒂安·本尼迪克特教授解释说，化学物质<span word="NSE">NSE</span>和<span word="S">S</span>-100<span word="B">B</span>是脑损伤（比如脑震荡）的生物标记。</p><p><span word="He">He</span> <span word="said">said</span>: ‘<span word="What">What</span> <span word="we">we</span> <span word="found">found</span> <span word="was">was</span> <span word="their">their</span> <span word="levels">levels</span> <span word="in">in</span> <span word="the">the</span> <span word="blood">blood</span> <span word="rose">rose</span> <span word="in">in</span> <span word="the">the</span> <span word="group">group</span> <span word="that">that</span> <span word="went">went</span> <span word="without">without</span> <span word="sleep">sleep</span> <span word="for">for</span> <span word="a">a</span> <span word="night">night</span>. <span word="This">This</span> <span word="was">was</span> <span word="not">not</span> <span word="to">to</span> <span word="the">the</span> <span word="extent">extent</span> <span word="that">that</span> <span word="would">would</span> <span word="happen">happen</span> <span word="after">after</span> <span word="a">a</span> <span word="head">head</span> <span word="injury">injury</span>, <span word="for">for</span> <span word="instance">instance</span>, <span word="but">but</span> <span word="it">it</span> <span word="was">was</span> <span word="still">still</span> <span word="significant">significant</span>.</p><p>他说：“我们发现的是在一晚没睡的人群中，<span word="NSE">NSE</span>和<span word="S">S</span>-100<span word="B">B</span>在血液中含量上升了。这虽然还不到一次头部外伤的程度，不过也很值得注意了。”</p>
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