囧研究：不吃早饭真的会长胖吗？！
<p><span word="The">The</span> <span word="widely">widely</span> <span word="accepted">accepted</span> <span word="notion">notion</span> <span word="that">that</span> <span word="skipping">skipping</span> <span word="breakfast">breakfast</span> <span word="might">might</span> <span word="cause">cause</span> <span word="weight">weight</span> <span word="gain">gain</span> <span word="entered">entered</span> <span word="the">the</span> <span word="Dietary">Dietary</span> <span word="Guidelines">Guidelines</span> <span word="in">in</span> 2010. <span word="However">However</span>, <span word="it">it</span> <span word="is">is</span> <span word="based">based</span> <span word="on">on</span> <span word="scientific">scientific</span> <span word="speculation">speculation</span>, <span word="not">not</span> <span word="certainty">certainty</span>. <span word="Indeed">Indeed</span>, <span word="it">it</span> <span word="may">may</span> <span word="be">be</span> <span word="completely">completely</span> <span word="unfounded">unfounded</span>, <span word="as">as</span> <span word="an">an</span> <span word="experiment">experiment</span> <span word="in">in</span> <span word="New">New</span> <span word="York">York</span> <span word="indicated">indicated</span>.</p><p>不吃早餐可能会长胖为人们普遍接受。这一观念也被写进了2010年版的《膳食指南》。然而，它却是基于科学猜测，并非出于定论。的确，纽约进行的一则实验表明，这个观念也许能被全盘推翻。</p><p>“<span word="In">In</span> <span word="overweight">overweight</span> <span word="individuals">individuals</span>, <span word="skipping">skipping</span> <span word="breakfast">breakfast</span> <span word="daily">daily</span> <span word="for">for</span> 4 <span word="weeks">weeks</span> <span word="leads">leads</span> <span word="to">to</span> <span word="a">a</span> <span word="reduction">reduction</span> <span word="in">in</span> <span word="body">body</span> <span word="weight">weight</span>,” <span word="the">the</span> <span word="researchers">researchers</span> <span word="from">from</span> <span word="Columbia">Columbia</span> <span word="University">University</span> <span word="concluded">concluded</span> <span word="in">in</span> <span word="a">a</span> <span word="paper">paper</span> <span word="published">published</span> <span word="last">last</span> <span word="year">year</span>.</p><p>来自哥伦比亚大学的研究员们在去年发表的一篇论文中表示：“对于过重的人们而言，四周内每天不吃早餐能减少体重。”</p><p><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="explained">explained</span> <span word="that">that</span> <span word="in">in</span> <span word="previous">previous</span> <span word="years">years</span>, <span word="researchers">researchers</span> <span word="generally">generally</span> <span word="conducted">conducted</span> <span word="observational">observational</span> <span word="studies">studies</span>, <span word="in">in</span> <span word="support">support</span> <span word="of">of</span> <span word="the">the</span> <span word="notion">notion</span> <span word="that">that</span> <span word="skipping">skipping</span> <span word="breakfast">breakfast</span> <span word="might">might</span> <span word="make">make</span> <span word="one">one</span> <span word="fat">fat</span>. <span word="Although">Although</span> <span word="this">this</span> <span word="method">method</span> <span word="is">is</span> <span word="cheaper">cheaper</span> <span word="and">and</span> <span word="easier">easier</span> <span word="to">to</span> <span word="carry">carry</span> <span word="out">out</span>, <span word="its">its</span> <span word="weaknesses">weaknesses</span> <span word="can">can</span> <span word="lead">lead</span> <span word="scientists">scientists</span> <span word="astray">astray</span>.</p><p>膳食指南咨询委员会解释道，前些年研究员们为了印证不吃早餐也许会使人长胖的观念，通常采取观测研究。尽管这种研究方法更廉价、更容易实行，但它存在的缺点却让科学家们的研究方向走偏。</p>
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