研究：慢跑过度不如不跑
<p><span word="Scientists">Scientists</span> <span word="studied">studied</span> <span word="more">more</span> <span word="than">than</span> 1,000 <span word="healthy">healthy</span> <span word="joggers">joggers</span> <span word="and">and</span> <span word="non">non</span>-<span word="joggers">joggers</span> <span word="over">over</span> <span word="a">a</span> 12-<span word="year">year</span> <span word="period">period</span>.</p><p>科学家们对1000多名身体健康的慢跑者和不跑步的人进行研究，追踪时间超过12年。</p><p><span word="Those">Those</span> <span word="who">who</span> <span word="jogged">jogged</span> <span word="at">at</span> <span word="a">a</span> <span word="steady">steady</span> <span word="pace">pace</span> <span word="for">for</span> <span word="less">less</span> <span word="than">than</span> <span word="two">two</span> <span word="and">and</span> <span word="a">a</span> <span word="half">half</span> <span word="hours">hours</span> <span word="a">a</span> <span word="week">week</span> <span word="were">were</span> <span word="least">least</span> <span word="likely">likely</span> <span word="to">to</span> <span word="die">die</span> <span word="in">in</span> <span word="this">this</span> <span word="time">time</span>.</p><p>慢跑速度较为稳健，且每周慢跑时间不超过两个半小时的人猝死的可能性最小。</p><p><span word="But">But</span> <span word="those">those</span> <span word="who">who</span> <span word="ran">ran</span> <span word="more">more</span> <span word="than">than</span> <span word="four">four</span> <span word="hours">hours</span> <span word="a">a</span> <span word="week">week</span> <span word="or">or</span> <span word="did">did</span> <span word="no">no</span> <span word="exercise">exercise</span> <span word="had">had</span> <span word="the">the</span> <span word="highest">highest</span> <span word="death">death</span> <span word="rates">rates</span>.</p><p>而一周跑4个小时以上或者从不锻炼的人则有着最高的死亡率。</p>
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