谁说不健康不是吃肉惹的祸
<p><span word="MANY">MANY</span> <span word="people">people</span> <span word="have">have</span> <span word="been">been</span> <span word="making">making</span> <span word="the">the</span> <span word="case">case</span> <span word="that">that</span> <span word="Americans">Americans</span> <span word="have">have</span> <span word="grown">grown</span> <span word="fat">fat</span> <span word="because">because</span> <span word="they">they</span> <span word="eat">eat</span> <span word="too">too</span> <span word="much">much</span> <span word="starch">starch</span> <span word="and">and</span> <span word="sugar">sugar</span>, <span word="and">and</span> <span word="not">not</span> <span word="enough">enough</span> <span word="meat">meat</span>, <span word="fat">fat</span> <span word="and">and</span> <span word="eggs">eggs</span>. <span word="Recently">Recently</span>, <span word="the">the</span> <span word="Dietary">Dietary</span> <span word="Guidelines">Guidelines</span> <span word="Advisory">Advisory</span> <span word="Committee">Committee</span> <span word="lifted">lifted</span> <span word="recommendations">recommendations</span> <span word="that">that</span> <span word="consumption">consumption</span> <span word="of">of</span> <span word="dietary">dietary</span> <span word="cholesterol">cholesterol</span> <span word="should">should</span> <span word="be">be</span> <span word="restricted">restricted</span>, <span word="citing">citing</span> <span word="research">research</span> <span word="that">that</span> <span word="dietary">dietary</span> <span word="cholesterol">cholesterol</span> <span word="does">does</span> <span word="not">not</span> <span word="have">have</span> <span word="a">a</span> <span word="major">major</span> <span word="effect">effect</span> <span word="on">on</span> <span word="blood">blood</span> <span word="cholesterol">cholesterol</span> <span word="levels">levels</span>. <span word="The">The</span> <span word="predictable">predictable</span> <span word="headlines">headlines</span> <span word="followed">followed</span>: “<span word="Back">Back</span> <span word="to">to</span> <span word="Eggs">Eggs</span> <span word="and">and</span> <span word="Bacon">Bacon</span>?”</p><p>很多人都说，美国人变得肥胖是因为他们吃了太多淀粉和糖，而没有摄入足够的肉类、脂肪和鸡蛋。近日，美国膳食指南咨询委员会(<span word="Dietary">Dietary</span> <span word="Guidelines">Guidelines</span> <span word="Advisory">Advisory</span> <span word="Committee">Committee</span>)取消了“膳食中的胆固醇消耗应该受到限制”的建议。它援引的一项研究认为，饮食中的胆固醇不会对血液中的胆固醇水平产生重大影响。不出所料，一些媒体打出了这样的大标题：“回归鸡蛋和熏肉？”</p><p><span word="But">But</span>, <span word="alas">alas</span>, <span word="bacon">bacon</span> <span word="and">and</span> <span word="egg">egg</span> <span word="yolks">yolks</span> <span word="are">are</span> <span word="not">not</span> <span word="health">health</span> <span word="foods">foods</span>.</p><p>但是，唉，熏肉和蛋黄都不是健康食品。</p><p><span word="Although">Although</span> <span word="people">people</span> <span word="have">have</span> <span word="been">been</span> <span word="told">told</span> <span word="for">for</span> <span word="decades">decades</span> <span word="to">to</span> <span word="eat">eat</span> <span word="less">less</span> <span word="meat">meat</span> <span word="and">and</span> <span word="fat">fat</span>, <span word="Americans">Americans</span> <span word="actually">actually</span> <span word="consumed">consumed</span> 67 <span word="percent">percent</span> <span word="more">more</span> <span word="added">added</span> <span word="fat">fat</span>, 39 <span word="percent">percent</span> <span word="more">more</span> <span word="sugar">sugar</span>, <span word="and">and</span> 41 <span word="percent">percent</span> <span word="more">more</span> <span word="meat">meat</span> <span word="in">in</span> 2000 <span word="than">than</span> <span word="they">they</span> <span word="had">had</span> <span word="in">in</span> 1950 <span word="and">and</span> 24.5 <span word="percent">percent</span> <span word="more">more</span> <span word="calories">calories</span> <span word="than">than</span> <span word="they">they</span> <span word="had">had</span> <span word="in">in</span> 1970, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="Agriculture">Agriculture</span> <span word="Department">Department</span>. <span word="Not">Not</span> <span word="surprisingly">surprisingly</span>, <span word="we">we</span> <span word="are">are</span> <span word="fatter">fatter</span> <span word="and">and</span> <span word="unhealthier">unhealthier</span>.</p><p>虽然这几十年来，人们都被告知要少吃肉类和脂肪，但与1950年相比，美国人在2000年实际消耗的添加脂肪增加了67%，糖分增加了39%，肉类增加了41%，而且比1970年多摄入了24.5%的卡路里。因此毫不奇怪，我们变得更胖了，健康水平也下滑了。</p>
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