“重量级”科学研究：肥胖乃是命中注定
<p><span word="If">If</span> <span word="you">you</span> <span word="can">can</span>’<span word="t">t</span> <span word="shift">shift</span> <span word="those">those</span> <span word="extra">extra</span> <span word="pounds">pounds</span>, <span word="no">no</span> <span word="matter">matter</span> <span word="how">how</span> <span word="hard">hard</span> <span word="you">you</span> <span word="try">try</span>, <span word="blame">blame</span> <span word="your">your</span> <span word="mother">mother</span>. <span word="Research">Research</span> <span word="suggests">suggests</span> <span word="we">we</span> <span word="can">can</span> <span word="be">be</span> <span word="programmed">programmed</span> <span word="to">to</span> <span word="be">be</span> <span word="fat">fat</span> <span word="while">while</span> <span word="still">still</span> <span word="in">in</span> <span word="the">the</span> <span word="womb">womb</span>, <span word="with">with</span> <span word="a">a</span> <span word="mother">mother</span>-<span word="to">to</span>-<span word="be">be</span>’<span word="s">s</span> <span word="lifestyle">lifestyle</span> <span word="affecting">affecting</span> <span word="the">the</span> <span word="health">health</span> <span word="of">of</span> <span word="her">her</span> <span word="baby">baby</span> <span word="for">for</span> <span word="years">years</span> <span word="to">to</span> <span word="come">come</span>。</p><p>如果你再怎么努力也减不掉身上那些赘肉，有可能是你老妈的错哦！研究表明，准妈妈的生活习惯会影响婴儿日后的健康。所以，有些人还未出生就注定是个胖子。</p><p><span word="It">It</span> <span word="is">is</span> <span word="thought">thought</span> <span word="that">that</span> <span word="her">her</span> <span word="diet">diet</span>, <span word="the">the</span> <span word="amount">amount</span> <span word="she">she</span> <span word="exercises">exercises</span>, <span word="whether">whether</span> <span word="she">she</span> <span word="smokes">smokes</span> <span word="or">or</span> <span word="drinks">drinks</span> <span word="alcohol">alcohol</span> <span word="and">and</span> <span word="even">even</span> <span word="which">which</span> <span word="pollutants">pollutants</span> <span word="she">she</span> <span word="is">is</span> <span word="exposed">exposed</span> <span word="to">to</span> <span word="can">can</span> <span word="alter">alter</span> <span word="the">the</span> <span word="DNA">DNA</span> <span word="of">of</span> <span word="her">her</span> <span word="unborn">unborn</span> <span word="child">child</span>. <span word="The">The</span> <span word="changes">changes</span> <span word="are">are</span> <span word="not">not</span> <span word="to">to</span> <span word="the">the</span> <span word="letters">letters</span> <span word="of">of</span> <span word="the">the</span> <span word="code">code</span> <span word="of">of</span> <span word="life">life</span> <span word="itself">itself</span>, <span word="but">but</span> <span word="to">to</span> <span word="its">its</span> ‘<span word="punctuation">punctuation</span>’. <span word="These">These</span> <span word="chemical">chemical</span> <span word="marks">marks</span> <span word="can">can</span> <span word="activate">activate</span>, <span word="silence">silence</span> <span word="or">or</span> <span word="crank">crank</span> <span word="up">up</span> <span word="genes">genes</span> <span word="and">and</span> <span word="their">their</span> <span word="actions">actions</span>。</p><p>据研究，准妈妈饮食习惯、运动量、酗酒抽烟与否，乃至接触过的污染性物质，都可能影响胎儿的<span word="DNA">DNA</span>。当然，<span word="DNA">DNA</span>的序列不会改变，只是给孩子的<span word="DNA">DNA</span>留下印记。这些化学印记可激活、消除或加剧基因活动。</p><p><span word="The">The</span> <span word="latest">latest</span> <span word="evidence">evidence</span> <span word="for">for</span> <span word="the">the</span> <span word="theory">theory</span>, <span word="which">which</span> <span word="is">is</span> <span word="known">known</span> <span word="as">as</span> <span word="epigenetics">epigenetics</span>, <span word="comes">comes</span> <span word="from">from</span> <span word="researchers">researchers</span> <span word="at">at</span> <span word="Newcastle">Newcastle</span> <span word="University">University</span> <span word="who">who</span> <span word="analyzed">analyzed</span> <span word="the">the</span> <span word="genes">genes</span> <span word="of">of</span> <span word="children">children</span> <span word="aged">aged</span> <span word="between">between</span> <span word="nine">nine</span> <span word="and">and</span> 11.</p><p>以上研究证据来源自纽卡斯尔大学研究人员提出的“表观遗传学”，他们研究过9-11周岁小孩的基因组织。</p><p><span word="They">They</span> <span word="specifically">specifically</span> <span word="looked">looked</span> <span word="for">for</span> <span word="genes">genes</span> <span word="that">that</span> <span word="had">had</span> <span word="the">the</span> <span word="same">same</span> <span word="letters">letters</span> <span word="but">but</span> <span word="behaved">behaved</span> <span word="differently">differently</span> <span word="in">in</span> <span word="children">children</span> <span word="who">who</span> <span word="were">were</span> <span word="overweight">overweight</span> <span word="and">and</span> <span word="those">those</span> <span word="who">who</span> <span word="were">were</span> <span word="slim">slim</span>. <span word="Blood">Blood</span> <span word="samples">samples</span> <span word="stored">stored</span> <span word="since">since</span> <span word="the">the</span> <span word="children">children</span>’<span word="s">s</span> <span word="births">births</span> <span word="were">were</span> <span word="then">then</span> <span word="analyzed">analyzed</span>. <span word="This">This</span> <span word="step">step</span> <span word="showed">showed</span> <span word="that">that</span> <span word="in">in</span> <span word="many">many</span> <span word="cases">cases</span>, <span word="youngsters">youngsters</span> <span word="who">who</span> <span word="were">were</span> <span word="overweight">overweight</span> <span word="had">had</span> <span word="displayed">displayed</span> <span word="different">different</span> <span word="chemical">chemical</span> <span word="marks">marks</span> <span word="on">on</span> <span word="their">their</span> <span word="DNA">DNA</span> <span word="at">at</span> <span word="birth">birth</span>。</p>
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