你可知自己孩子的动脉已经老化了吗
<p><span word="Do">Do</span> <span word="you">you</span> <span word="know">know</span> <span word="how">how</span> <span word="old">old</span> <span word="your">your</span> <span word="kids">kids</span>' <span word="arteries">arteries</span> <span word="are">are</span>?</p><p>你知道自己孩子的动脉有多老吗？</p><p><span word="It">It</span>'<span word="s">s</span> <span word="a">a</span> <span word="potentially">potentially</span> <span word="important">important</span> <span word="question">question</span> <span word="as">as</span> <span word="scientists">scientists</span> <span word="increasingly">increasingly</span> <span word="uncover">uncover</span> <span word="links">links</span> <span word="between">between</span> <span word="healthy">healthy</span> <span word="habits">habits</span> <span word="in">in</span> <span word="childhood">childhood</span> <span word="and">and</span> <span word="risk">risk</span> <span word="for">for</span> <span word="heart">heart</span> <span word="disease">disease</span> <span word="later">later</span> <span word="in">in</span> <span word="life">life</span>. <span word="And">And</span> <span word="there">there</span> <span word="are">are</span> <span word="growing">growing</span> <span word="concerns">concerns</span> <span word="about">about</span> <span word="the">the</span> <span word="cardiovascular">cardiovascular</span> <span word="health">health</span> <span word="of">of</span> <span word="millions">millions</span> <span word="of">of</span> <span word="children">children</span> <span word="in">in</span> <span word="the">the</span> <span word="U">U</span>.<span word="S">S</span>. <span word="who">who</span> <span word="are">are</span> <span word="considered">considered</span> <span word="obese">obese</span> <span word="or">or</span> <span word="overweight">overweight</span>.</p><p>这个问题可能很重要，因为科学家们越来越多地发现，人们儿时的健康习惯与日后罹患心脏病的风险之间存在关联。在美国，被视为肥胖或超重的儿童数以百万计，围绕他们心血管健康的担忧正在与日俱增。</p><p><span word="A">A</span> <span word="new">new</span> <span word="study">study</span> <span word="suggests">suggests</span> <span word="there">there</span> <span word="is">is</span> <span word="a">a</span> <span word="simple">simple</span> <span word="way">way</span> <span word="to">to</span> <span word="assess">assess</span> <span word="a">a</span> <span word="child">child</span>'<span word="s">s</span> <span word="arterial">arterial</span> <span word="health">health</span> <span word="with">with</span> <span word="a">a</span> <span word="calculation">calculation</span> <span word="based">based</span> <span word="on">on</span> <span word="an">an</span> <span word="often">often</span>-<span word="overlooked">overlooked</span> <span word="component">component</span> <span word="of">of</span> <span word="cholesterol">cholesterol</span>: <span word="triglycerides">triglycerides</span>.</p><p>一项新的研究表明，有一种评估儿童动脉健康的简便方法，即以甘油三酯──胆固醇中一个常常被忽略掉的成分──为基础来进行计算。</p><p><span word="The">The</span> <span word="calculation">calculation</span> <span word="is">is</span> <span word="the">the</span> <span word="ratio">ratio</span> <span word="of">of</span> <span word="triglycerides">triglycerides</span> <span word="to">to</span> <span word="HDL">HDL</span>, <span word="or">or</span> <span word="good">good</span> <span word="cholesterol">cholesterol</span>. <span word="It">It</span> <span word="can">can</span> <span word="be">be</span> <span word="easily">easily</span> <span word="determined">determined</span> <span word="from">from</span> <span word="a">a</span> <span word="standard">standard</span> <span word="cholesterol">cholesterol</span> <span word="blood">blood</span> <span word="test">test</span>. <span word="In">In</span> <span word="the">the</span> <span word="study">study</span>, <span word="based">based</span> <span word="on">on</span> <span word="nearly">nearly</span> 900 <span word="children">children</span> <span word="and">and</span> <span word="young">young</span> <span word="adults">adults</span>, <span word="researchers">researchers</span> <span word="at">at</span> <span word="Cincinnati">Cincinnati</span> <span word="Children">Children</span>'<span word="s">s</span> <span word="Hospital">Hospital</span> <span word="Medical">Medical</span> <span word="Center">Center</span> <span word="found">found</span> <span word="that">that</span> <span word="the">the</span> <span word="higher">higher</span> <span word="the">the</span> <span word="ratio">ratio</span>, <span word="the">the</span> <span word="greater">greater</span> <span word="the">the</span> <span word="likelihood">likelihood</span> <span word="a">a</span> <span word="child">child</span> <span word="would">would</span> <span word="have">have</span> <span word="stiff">stiff</span> <span word="and">and</span> <span word="damaged">damaged</span> <span word="arteries">arteries</span>.</p><p>这就是要算出甘油三酯与高密度脂蛋白（又名有益胆固醇）的比值，这个数值通过一项常规的胆固醇血检便能轻易得出。该研究共涉及近900名儿童及青少年。辛辛那提儿童医学中心(<span word="Cincinnati">Cincinnati</span> <span word="Children">Children</span>'<span word="s">s</span> <span word="Hospital">Hospital</span> <span word="Medical">Medical</span> <span word="Center">Center</span>)的研究人员发现，这个比值越高，儿童动脉硬化或动脉受损的可能性就越大。</p>
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