蔬菜中的叶黄素或能延缓认知衰老
<p><span word="According">According</span> <span word="to">to</span> <span word="new">new</span> <span word="US">US</span> <span word="research">research</span> <span word="filling">filling</span> <span word="up">up</span> <span word="on">on</span> <span word="leafy">leafy</span> <span word="green">green</span> <span word="vegetables">vegetables</span> <span word="could">could</span> <span word="be">be</span> <span word="a">a</span> <span word="factor">factor</span> <span word="in">in</span> <span word="keeping">keeping</span> <span word="your">your</span> <span word="brain">brain</span> <span word="healthy">healthy</span> <span word="later">later</span> <span word="in">in</span> <span word="life">life</span>, <span word="thanks">thanks</span> <span word="to">to</span> <span word="a">a</span> <span word="nutrient">nutrient</span> <span word="called">called</span> <span word="lutein">lutein</span>. <span word="Carried">Carried</span> <span word="out">out</span> <span word="by">by</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Illinois">Illinois</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="set">set</span> <span word="out">out</span> <span word="to">to</span> <span word="see">see</span> <span word="if">if</span> <span word="there">there</span> <span word="was">was</span> <span word="a">a</span> <span word="notable">notable</span> <span word="difference">difference</span> <span word="in">in</span> <span word="cognitive">cognitive</span> <span word="function">function</span> <span word="between">between</span> <span word="younger">younger</span> <span word="and">and</span> <span word="middle">middle</span>-<span word="age">age</span> <span word="participants">participants</span> <span word="with">with</span> <span word="higher">higher</span> <span word="and">and</span> <span word="lower">lower</span> <span word="lutein">lutein</span> <span word="levels">levels</span>.</p><p>美国的新研究表明：多吃绿叶蔬菜可能会保持你的大脑健康，而这得归因于一种叫做叶黄素的营养物质。伊利诺伊大学的研究人员开展了该项研究，他们想要观察有较高叶黄素水平的年轻受试者和较低叶黄素水平的中年受试者之间的认知功能是否存在明显差异。</p><p><span word="Most">Most</span> <span word="previous">previous</span> <span word="studies">studies</span> <span word="have">have</span> <span word="looked">looked</span> <span word="at">at</span> <span word="lutein">lutein</span> <span word="levels">levels</span> <span word="in">in</span> <span word="older">older</span> <span word="adults">adults</span>, <span word="after">after</span> <span word="there">there</span> <span word="has">has</span> <span word="already">already</span> <span word="been">been</span> <span word="a">a</span> <span word="period">period</span> <span word="of">of</span> <span word="cognitive">cognitive</span> <span word="decline">decline</span>, <span word="however">however</span> <span word="the">the</span> <span word="new">new</span> <span word="study">study</span> <span word="recruited">recruited</span> 60 <span word="participants">participants</span> <span word="aged">aged</span> 25 <span word="to">to</span> 45.</p><p>先前的大多数研究只观察了老年人的叶黄素水平，而他们的认知功能本就有所衰退，这项新研究招募了60位25至45岁的受试者。</p>
页:
[1]