Need glasses? Try kale instead. 视力不好吃羽衣甘蓝试试
<p>随身英语<span word="Need">Need</span> <span word="glasses">glasses</span>? <span word="Try">Try</span> <span word="kale">kale</span> <span word="instead">instead</span>. 视力不好吃羽衣甘蓝试试</p><p><span word="Play">Play</span> <span word="audio">audio</span> <span word="file">file</span>吃胡萝卜真的可以帮助保护视力吗？保护和提高视力的秘密到底是什么？吃保健品或多吃某些食物能有帮助吗？研究显示人们可以通过食用含有叶黄素的膳食补充剂来提高视力。叶黄素可以保护视网膜免受有害光线的损伤。本期《随身英语》介绍对人眼和视力有益的食物。</p><p>课文内容 <span word="Do">Do</span> <span word="carrots">carrots</span> <span word="really">really</span> <span word="help">help</span> <span word="you">you</span> <span word="see">see</span> <span word="in">in</span> <span word="the">the</span> <span word="dark">dark</span>? <span word="What">What</span> <span word="about">about</span> <span word="kiwis">kiwis</span> <span word="or">or</span> <span word="kale">kale</span>? <span word="Can">Can</span> <span word="eating">eating</span> <span word="certain">certain</span> <span word="foods">foods</span> <span word="improve">improve</span> <span word="your">your</span> <span word="eyesight">eyesight</span> <span word="or">or</span> <span word="prevent">prevent</span> <span word="your">your</span> <span word="eyes">eyes</span> <span word="degenerating">degenerating</span>? <span word="Perhaps">Perhaps</span> <span word="we">we</span> <span word="should">should</span> <span word="all">all</span> <span word="be">be</span> <span word="taking">taking</span> <span word="supplements">supplements</span> <span word="to">to</span> <span word="benefit">benefit</span> <span word="our">our</span> <span word="vision">vision</span>? <span word="Research">Research</span> <span word="in">in</span> <span word="both">both</span> <span word="the">the</span> <span word="US">US</span> <span word="and">and</span> <span word="Ireland">Ireland</span> <span word="has">has</span> <span word="shown">shown</span> <span word="that">that</span> <span word="supplementing">supplementing</span> <span word="the">the</span> <span word="diet">diet</span> <span word="with">with</span> <span word="certain">certain</span> <span word="key">key</span> <span word="chemicals">chemicals</span> <span word="can">can</span> <span word="significantly">significantly</span> <span word="benefit">benefit</span> <span word="your">your</span> <span word="vision">vision</span>. <span word="These">These</span> <span word="can">can</span> <span word="be">be</span> <span word="taken">taken</span> <span word="as">as</span> <span word="supplements">supplements</span> <span word="but">but</span> <span word="they">they</span> <span word="are">are</span> <span word="also">also</span> <span word="found">found</span> <span word="widely">widely</span> <span word="in">in</span> <span word="many">many</span> <span word="green">green</span> <span word="leafy">leafy</span> <span word="plants">plants</span> <span word="and">and</span> <span word="green">green</span> <span word="and">and</span> <span word="yellow">yellow</span> <span word="fruit">fruit</span> <span word="and">and</span> <span word="vegetables">vegetables</span>.</p><p><span word="The">The</span> <span word="retina">retina</span> <span word="is">is</span> <span word="the">the</span> <span word="part">part</span> <span word="of">of</span> <span word="our">our</span> <span word="eye">eye</span> <span word="that">that</span> <span word="contains">contains</span> <span word="cells">cells</span> <span word="sensitive">sensitive</span> <span word="to">to</span> <span word="light">light</span>. <span word="The">The</span> <span word="most">most</span> <span word="delicate">delicate</span> <span word="area">area</span> <span word="of">of</span> <span word="this">this</span> <span word="tissue">tissue</span> – <span word="the">the</span> <span word="macula">macula</span> – <span word="is">is</span> <span word="protected">protected</span> <span word="from">from</span> <span word="harmful">harmful</span> <span word="blue">blue</span> <span word="and">and</span> <span word="UV">UV</span> <span word="light">light</span> <span word="by">by</span> <span word="yellowish">yellowish</span> ‘<span word="macular">macular</span> <span word="pigment">pigment</span>’. <span word="This">This</span> <span word="acts">acts</span> <span word="like">like</span> <span word="sunglasses">sunglasses</span>, <span word="blocking">blocking</span> <span word="the">the</span> <span word="damaging">damaging</span> <span word="light">light</span>. <span word="It">It</span> <span word="comprises">comprises</span> <span word="three">three</span> <span word="pigments">pigments</span> – <span word="lutein">lutein</span>, <span word="zeaxanthin">zeaxanthin</span> <span word="and">and</span> <span word="meso">meso</span>-<span word="zeaxanthin">zeaxanthin</span>.</p><p><span word="A">A</span> <span word="research">research</span> <span word="team">team</span> <span word="led">led</span> <span word="by">by</span> <span word="Professor">Professor</span> <span word="Nolan">Nolan</span> <span word="in">in</span> <span word="Ireland">Ireland</span> <span word="has">has</span> <span word="recently">recently</span> <span word="completed">completed</span> <span word="a">a</span> <span word="year">year</span>-<span word="long">long</span> <span word="trial">trial</span> <span word="investigating">investigating</span> <span word="the">the</span> <span word="benefits">benefits</span> <span word="of">of</span> <span word="taking">taking</span> <span word="supplements">supplements</span> <span word="of">of</span> <span word="macular">macular</span> <span word="pigments">pigments</span>. 100 <span word="participants">participants</span> <span word="took">took</span> <span word="part">part</span> <span word="in">in</span> <span word="the">the</span> <span word="experiments">experiments</span>. <span word="The">The</span> <span word="results">results</span> <span word="showed">showed</span> <span word="that">that</span> <span word="by">by</span> <span word="taking">taking</span> <span word="lutein">lutein</span>, <span word="zeaxanthin">zeaxanthin</span> <span word="and">and</span> <span word="meso">meso</span>-<span word="zeaxanthin">zeaxanthin</span>, <span word="there">there</span> <span word="was">was</span> <span word="a">a</span> <span word="significant">significant</span> <span word="improvement">improvement</span> <span word="in">in</span> <span word="the">the</span> <span word="protection">protection</span> <span word="of">of</span> <span word="the">the</span> <span word="macula">macula</span>, <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="in">in</span> <span word="overall">overall</span> <span word="eyesight">eyesight</span>. <span word="There">There</span> <span word="was">was</span> <span word="also">also</span> <span word="some">some</span> <span word="evidence">evidence</span> <span word="that">that</span> <span word="these">these</span> <span word="chemicals">chemicals</span> <span word="can">can</span> <span word="help">help</span> <span word="to">to</span> <span word="slow">slow</span> <span word="down">down</span> <span word="macular">macular</span> <span word="degeneration">degeneration</span>, <span word="which">which</span> <span word="is">is</span> <span word="the">the</span> <span word="main">main</span> <span word="cause">cause</span> <span word="of">of</span> <span word="sight">sight</span> <span word="loss">loss</span> <span word="in">in</span> <span word="the">the</span> <span word="UK">UK</span>. <span word="However">However</span>, <span word="this">this</span> <span word="is">is</span> <span word="somewhat">somewhat</span> <span word="controversial">controversial</span>.</p>
页:
[1]