研究:长女肥胖几率较次女高4成
<p><span word="Older">Older</span> <span word="sisters">sisters</span> <span word="often">often</span> <span word="moan">moan</span> <span word="that">that</span> <span word="their">their</span> <span word="younger">younger</span> <span word="siblings">siblings</span> <span word="have">have</span> <span word="all">all</span> <span word="the">the</span> <span word="luck">luck</span>. <span word="But">But</span> <span word="it">it</span> <span word="seems">seems</span> <span word="they">they</span> <span word="really">really</span> <span word="do">do</span> <span word="have">have</span> <span word="something">something</span> <span word="to">to</span> <span word="complain">complain</span> <span word="about">about</span> – <span word="for">for</span> <span word="research">research</span> <span word="has">has</span> <span word="found">found</span> <span word="that">that</span> <span word="younger">younger</span> <span word="sisters">sisters</span> <span word="are">are</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="be">be</span> <span word="slimmer">slimmer</span> <span word="than">than</span> <span word="firstborn">firstborn</span> <span word="girls">girls</span>.</p><p>当姐姐的总是抱怨妹妹运气太好。现在看来，她们的抱怨也不是无中生有。有研究发现，比起家里排行最大的姐姐，妹妹们更有可能身材苗条。</p><p><span word="The">The</span> <span word="study">study</span> – <span word="the">the</span> <span word="largest">largest</span> <span word="of">of</span> <span word="its">its</span> <span word="kind">kind</span> – <span word="suggests">suggests</span> <span word="that">that</span> <span word="birth">birth</span> <span word="order">order</span> <span word="may">may</span> <span word="play">play</span> <span word="an">an</span> <span word="important">important</span> <span word="role">role</span> <span word="in">in</span> <span word="determining">determining</span> <span word="weight">weight</span>. <span word="And">And</span> <span word="the">the</span> <span word="researchers">researchers</span> <span word="warned">warned</span> <span word="that">that</span> <span word="firstborns">firstborns</span> <span word="could">could</span> <span word="be">be</span> <span word="at">at</span> <span word="risk">risk</span> <span word="of">of</span> <span word="other">other</span> <span word="health">health</span> <span word="problems">problems</span> <span word="too">too</span>.</p><p>这是该领域内规模最大的一次研究，研究结果表明，出生顺序或许很大程度上决定了体重。研究员同时警告称，长子长女还有可能出现其他健康问题。</p><p><span word="The">The</span> <span word="scientists">scientists</span> <span word="looked">looked</span> <span word="at">at</span> <span word="data">data</span> <span word="on">on</span> <span word="the">the</span> <span word="health">health</span> <span word="of">of</span> 13,400 <span word="pairs">pairs</span> <span word="of">of</span> <span word="sisters">sisters</span> <span word="and">and</span> <span word="found">found</span> <span word="that">that</span> <span word="firstborn">firstborn</span> <span word="women">women</span> <span word="were">were</span>, <span word="on">on</span> <span word="average">average</span>, 29 <span word="per">per</span> <span word="cent">cent</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="be">be</span> <span word="overweight">overweight</span> <span word="and">and</span> 40 <span word="per">per</span> <span word="cent">cent</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="be">be</span> <span word="obese">obese</span> <span word="than">than</span> <span word="second">second</span>-<span word="born">born</span> <span word="sisters">sisters</span>. <span word="The">The</span> <span word="findings">findings</span> <span word="back">back</span> <span word="up">up</span> <span word="similar">similar</span> <span word="research">research</span> <span word="on">on</span> <span word="men">men</span> <span word="that">that</span> <span word="found">found</span> <span word="firstborn">firstborn</span> <span word="males">males</span> <span word="were">were</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="be">be</span> <span word="overweight">overweight</span> <span word="than">than</span> <span word="younger">younger</span> <span word="brothers">brothers</span>.</p><p>科学家们比对了13400对姐妹的健康数据，结果发现，平均而言，与排行老二的妹妹相比，排行老大的姐姐超重的可能性高29%，肥胖的可能性高40%。这一发现与另一项针对男性的相似研究的结果相符，后者研究发现，比起弟弟，排行老大的哥哥超重的可能性更大。</p>
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