疼痛会传染
<p>你相信，疼痛是传染的吗？</p><p><span word="Pain">Pain</span> <span word="could">could</span> <span word="be">be</span> <span word="contagious">contagious</span>, <span word="a">a</span> <span word="groundbreaking">groundbreaking</span> <span word="new">new</span> <span word="study">study</span> <span word="claims">claims</span>.</p><p>近日，一项突破性的新研究声称，疼痛能够传染。</p><p><span word="Lab">Lab</span> <span word="mice">mice</span> <span word="were">were</span> <span word="put">put</span> <span word="through">through</span> <span word="a">a</span> <span word="series">series</span> <span word="of">of</span> <span word="tests">tests</span> <span word="which">which</span> <span word="should">should</span> <span word="not">not</span> <span word="have">have</span> <span word="been">been</span> <span word="painful">painful</span> - <span word="ticklish">ticklish</span> <span word="at">at</span> <span word="the">the</span> <span word="most">most</span>. <span word="But">But</span> <span word="the">the</span> <span word="rodents">rodents</span> <span word="reacted">reacted</span> <span word="as">as</span> <span word="if">if</span> <span word="their">their</span> <span word="feet">feet</span> <span word="were">were</span> <span word="burning">burning</span>.</p><p>几只实验鼠经历了一系列本来没有疼痛感的试验--最多只是有些痒而已。但是事实上它们的反应却好像是双腿在被灼烧。</p><p><span word="The">The</span> <span word="experiments">experiments</span> <span word="by">by</span> <span word="researchers">researchers</span> <span word="in">in</span> <span word="Portland">Portland</span>, <span word="Oregon">Oregon</span>, <span word="suggested">suggested</span> <span word="the">the</span> <span word="mice">mice</span> <span word="caught">caught</span> <span word="this">this</span> <span word="heightened">heightened</span> <span word="sensitivity">sensitivity</span> <span word="from">from</span> <span word="other">other</span> <span word="mice">mice</span> <span word="who">who</span> <span word="were">were</span> <span word="primed">primed</span> <span word="to">to</span> <span word="feel">feel</span> <span word="pain">pain</span>.</p><p>由俄勒冈州波特兰市的研究人员们进行的该实验表明，这些老鼠敏感性的增加源自于其它即将感受到疼痛的老鼠那里。</p>
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