每日资讯播报（July 6）
<p> <span word="Embed">Embed</span> <span word="Audio">Audio</span> [<span word="Photo">Photo</span>/<span word="Unsplash">Unsplash</span>] ><span word="Don">Don</span>'<span word="t">t</span> <span word="be">be</span> <span word="a">a</span> '<span word="hot">hot</span>-<span word="head">head</span>'</p><p>长时间日晒会削弱脑力</p><p><span word="Working">Working</span> <span word="in">in</span> <span word="hot">hot</span> <span word="temperatures">temperatures</span> <span word="is">is</span> <span word="already">already</span> <span word="known">known</span> <span word="to">to</span> <span word="cause">cause</span> <span word="hyperthermia">hyperthermia</span> – <span word="a">a</span> <span word="rise">rise</span> <span word="in">in</span> <span word="body">body</span> <span word="temperature">temperature</span> – <span word="which">which</span> <span word="can">can</span> <span word="cause">cause</span> <span word="physical">physical</span> <span word="exhaustion">exhaustion</span>.</p><p>众所周知，在高温下工作会导致中暑并让人体力衰竭。</p><p><span word="But">But</span> <span word="now">now</span> <span word="scientists">scientists</span> <span word="say">say</span> <span word="prolonged">prolonged</span> <span word="exposure">exposure</span> <span word="of">of</span> <span word="the">the</span> <span word="head">head</span> <span word="to">to</span> <span word="the">the</span> <span word="sun">sun</span> <span word="also">also</span> <span word="affects">affects</span> <span word="the">the</span> <span word="brain">brain</span>'<span word="s">s</span> <span word="ability">ability</span> <span word="to">to</span> <span word="function">function</span> <span word="properly">properly</span>.</p><p>但现在，科学家们指出，头部长时间暴露在阳光下也会影响大脑正常运行的能力。</p><p><span word="A">A</span> <span word="study">study</span> <span word="by">by</span> <span word="university">university</span> <span word="teams">teams</span> <span word="in">in</span> <span word="Denmark">Denmark</span> <span word="and">and</span> <span word="Greece">Greece</span> <span word="provides">provides</span> <span word="evidence">evidence</span> <span word="that">that</span> <span word="direct">direct</span> <span word="exposure">exposure</span> <span word="to">to</span> <span word="sunlight">sunlight</span> – <span word="especially">especially</span> <span word="to">to</span> <span word="the">the</span> <span word="head">head</span> – <span word="impairs">impairs</span> <span word="motor">motor</span> <span word="and">and</span> <span word="cognitive">cognitive</span> <span word="performance">performance</span>.</p><p>丹麦和希腊的大学团队开展的一项研究证明，直接暴露于阳光下——尤其是头顶——会损害运动和认知表现。</p><p><span word="The">The</span> <span word="decline">decline</span> <span word="in">in</span> <span word="motor">motor</span> <span word="and">and</span> <span word="cognitive">cognitive</span> <span word="performance">performance</span> <span word="was">was</span> <span word="observed">observed</span> <span word="at">at</span> 38.5 <span word="degrees">degrees</span>.</p><p>在温度达到38.5度时可以观察到运动和认知表现的下降。</p><p><span word="Researchers">Researchers</span> <span word="said">said</span> <span word="those">those</span> <span word="exposed">exposed</span> <span word="to">to</span> <span word="sunlight">sunlight</span> <span word="for">for</span> <span word="long">long</span> <span word="periods">periods</span> <span word="should">should</span> <span word="cover">cover</span> <span word="their">their</span> <span word="heads">heads</span>.</p><p>研究人员称，长时间暴露在阳光下的人应该戴遮盖头部。</p>
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