适度锻炼才能预防感冒
<p><span word="Researchers">Researchers</span> <span word="say">say</span> <span word="that">that</span> <span word="regular">regular</span> <span word="exercise">exercise</span> <span word="reduces">reduces</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="getting">getting</span> <span word="a">a</span> <span word="cold">cold</span> -- <span word="but">but</span> <span word="only">only</span> <span word="if">if</span> <span word="it">it</span> <span word="is">is</span> <span word="not">not</span> <span word="too">too</span> <span word="vigorous">vigorous</span>, <span word="the">the</span> <span word="Daily">Daily</span> <span word="Mail">Mail</span> <span word="reported">reported</span>.</p><p>据英国《每日邮报》报道，研究人员表示，日常锻炼若不是太剧烈，可预防感冒。</p><p><span word="Brisk">Brisk</span> <span word="walks">walks</span> <span word="every">every</span> <span word="day">day</span> <span word="can">can</span> <span word="reduce">reduce</span> <span word="your">your</span> <span word="chance">chance</span> <span word="of">of</span> <span word="catching">catching</span> <span word="a">a</span> <span word="cold">cold</span> <span word="by">by</span> <span word="up">up</span> <span word="to">to</span> 30 <span word="percent">percent</span>.</p><p>每天快步走可使感冒几率降低30%。</p><p><span word="But">But</span> <span word="prolonged">prolonged</span> <span word="strenuous">strenuous</span> <span word="activity">activity</span> <span word="could">could</span> <span word="make">make</span> <span word="you">you</span> <span word="between">between</span> <span word="two">two</span> <span word="and">and</span> <span word="six">six</span> <span word="times">times</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="succumb">succumb</span> <span word="to">to</span> <span word="upper">upper</span> <span word="respiratory">respiratory</span> <span word="infections">infections</span>.</p><p>但运动时间太久、强度太大，上呼吸道感染概率则要扩大两到六倍。</p><p><span word="Professor">Professor</span> <span word="Mike">Mike</span> <span word="Gleeson">Gleeson</span>, <span word="an">an</span> <span word="expert">expert</span> <span word="in">in</span> <span word="biochemistry">biochemistry</span> <span word="at">at</span> <span word="Loughborough">Loughborough</span> <span word="University">University</span>, <span word="concluded">concluded</span> <span word="from">from</span> <span word="examining">examining</span> <span word="the">the</span> <span word="last">last</span> 10 <span word="years">years</span> <span word="of">of</span> <span word="research">research</span> <span word="in">in</span> <span word="this">this</span> <span word="area">area</span> <span word="that">that</span> <span word="moderate">moderate</span> <span word="exertion">exertion</span> <span word="is">is</span> <span word="best">best</span> <span word="for">for</span> <span word="the">the</span> <span word="immune">immune</span> <span word="system">system</span>.</p><p>来自拉夫堡大学的生化学专家迈克·格里森教授，基于其在该领域过去十年的研究得出：适度运动最有利于免疫系统发挥作用。</p>
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