27岁:不太吉利的年龄
<p><span word="Researchers">Researchers</span> <span word="have">have</span> <span word="found">found</span> <span word="that">that</span> <span word="peoples">peoples</span>' <span word="mental">mental</span> <span word="abilities">abilities</span> <span word="peak">peak</span> <span word="at">at</span> 22 <span word="before">before</span> <span word="beginning">beginning</span> <span word="to">to</span> <span word="deteriorate">deteriorate</span> <span word="just">just</span> <span word="five">five</span> <span word="years">years</span> <span word="later">later</span>。</p><p>研究人员发现，人的智力在22岁时达到顶峰，而仅在五年之后就会开始衰退。</p><p><span word="Professor">Professor</span> <span word="Timothy">Timothy</span> <span word="Salthouse">Salthouse</span> <span word="said">said</span> <span word="the">the</span> <span word="results">results</span> <span word="suggested">suggested</span> <span word="that">that</span> <span word="therapies">therapies</span> <span word="designed">designed</span> <span word="to">to</span> <span word="prevent">prevent</span> <span word="or">or</span> <span word="reverse">reverse</span> <span word="age">age</span>-<span word="related">related</span> <span word="conditions">conditions</span> <span word="may">may</span> <span word="need">need</span> <span word="to">to</span> <span word="start">start</span> <span word="earlier">earlier</span>, <span word="long">long</span> <span word="before">before</span> <span word="people">people</span> <span word="become">become</span> <span word="pensioners">pensioners</span>。</p><p>蒂莫西·索尔特豪斯教授称，研究结果表明，旨在预防或扭转与年龄有关的症状的治疗应尽早开始，而非等到退休。</p><p><span word="Almost">Almost</span> <span word="half">half</span> <span word="of">of</span> <span word="over">over</span> 50<span word="s">s</span> '<span word="unaware">unaware</span> <span word="of">of</span> <span word="leading">leading</span> <span word="cause">cause</span> <span word="of">of</span> <span word="blindness">blindness</span>'" <span word="Results">Results</span> <span word="converge">converge</span> <span word="on">on</span> <span word="a">a</span> <span word="conclusion">conclusion</span> <span word="that">that</span> <span word="some">some</span> <span word="aspects">aspects</span> <span word="of">of</span> <span word="age">age</span>-<span word="related">related</span> <span word="cognitive">cognitive</span> <span word="decline">decline</span> <span word="begin">begin</span> <span word="in">in</span> <span word="healthy">healthy</span>, <span word="educated">educated</span> <span word="adults">adults</span> <span word="when">when</span> <span word="they">they</span> <span word="are">are</span> <span word="in">in</span> <span word="their">their</span> 20<span word="s">s</span> <span word="and">and</span> 30<span word="s">s</span>," <span word="he">he</span> <span word="said">said</span>。</p><p>在50岁以上的人中，有近一半的人“不清楚导致智力衰退的主要原因”。蒂莫西称，研究发现，对于身体健康，受过教育的成年人来说，与年龄有关的一些认知衰退症状在二三十岁时就开始了。</p><p><span word="The">The</span> <span word="study">study</span> <span word="of">of</span> 2,000 <span word="men">men</span> <span word="and">and</span> <span word="women">women</span> <span word="lasted">lasted</span> <span word="over">over</span> <span word="seven">seven</span> <span word="years">years</span>. <span word="The">The</span> <span word="respondents">respondents</span>, <span word="aged">aged</span> <span word="between">between</span> 18-60, <span word="were">were</span> <span word="asked">asked</span> <span word="to">to</span> <span word="solve">solve</span> <span word="visual">visual</span> <span word="puzzles">puzzles</span>, <span word="recall">recall</span> <span word="words">words</span> <span word="and">and</span> <span word="story">story</span> <span word="details">details</span> <span word="and">and</span> <span word="spot">spot</span> <span word="patterns">patterns</span> <span word="in">in</span> <span word="letters">letters</span> <span word="and">and</span> <span word="symbols">symbols</span>。</p><p>该研究持续七年之久，共对两千名18岁至60岁之间的男性和女性进行了调查。研究人员要求调查对象做图形猜谜，复述单词和故事细节，以及指认字母和符号类型等各项测试。</p>
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