考研英语阅读篇章运动量少是腰围增加的真凶
<p> 篇章：母狼的死亡威胁种群生存</p><p> <span word="Sedentary">Sedentary</span> <span word="lifestyle">lifestyle</span> <span word="and">and</span> <span word="not">not</span> <span word="caloric">caloric</span> <span word="intake">intake</span> <span word="may">may</span> <span word="be">be</span> <span word="to">to</span> <span word="blame">blame</span> <span word="for">for</span> <span word="increased">increased</span> <span word="obesity">obesity</span> <span word="in">in</span> <span word="the">the</span> <span word="US">US</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="new">new</span> <span word="analysis">analysis</span> <span word="of">of</span> <span word="data">data</span> <span word="from">from</span> <span word="the">the</span> <span word="National">National</span> <span word="Health">Health</span> <span word="and">and</span> <span word="Nutrition">Nutrition</span> <span word="Examination">Examination</span> <span word="Survey">Survey</span> . <span word="A">A</span> <span word="study">study</span> <span word="published">published</span> <span word="in">in</span> <span word="The">The</span> <span word="American">American</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="Medicine">Medicine</span> <span word="reveals">reveals</span> <span word="that">that</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> 20 <span word="years">years</span> <span word="there">there</span> <span word="has">has</span> <span word="been">been</span> <span word="a">a</span> <span word="sharp">sharp</span> <span word="decrease">decrease</span> <span word="in">in</span> <span word="physical">physical</span> <span word="exercise">exercise</span> <span word="and">and</span> <span word="an">an</span> <span word="increase">increase</span> <span word="in">in</span> <span word="average">average</span> <span word="body">body</span> <span word="mass">mass</span> <span word="index">index</span> , <span word="while">while</span> <span word="caloric">caloric</span> <span word="intake">intake</span> <span word="has">has</span> <span word="remained">remained</span> <span word="steady">steady</span>. <span word="Investigators">Investigators</span> <span word="theorized">theorized</span> <span word="that">that</span> <span word="a">a</span> <span word="nationwide">nationwide</span> <span word="drop">drop</span> <span word="in">in</span> <span word="leisure">leisure</span>-<span word="time">time</span> <span word="physical">physical</span> <span word="activity">activity</span>, <span word="especially">especially</span> <span word="among">among</span> <span word="young">young</span> <span word="women">women</span>, <span word="may">may</span> <span word="be">be</span> <span word="responsible">responsible</span> <span word="for">for</span> <span word="the">the</span> <span word="upward">upward</span> <span word="trend">trend</span> <span word="in">in</span> <span word="obesity">obesity</span> <span word="rates">rates</span>. <span word="By">By</span> <span word="analyzing">analyzing</span> <span word="NHANES">NHANES</span> <span word="data">data</span> <span word="from">from</span> <span word="the">the</span> <span word="last">last</span> 20 <span word="years">years</span>, <span word="researchers">researchers</span> <span word="from">from</span> <span word="Stanford">Stanford</span> <span word="University">University</span> <span word="discovered">discovered</span> <span word="that">that</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="US">US</span> <span word="adult">adult</span> <span word="women">women</span> <span word="who">who</span> <span word="reported">reported</span> <span word="no">no</span> <span word="physical">physical</span> <span word="activity">activity</span> <span word="jumped">jumped</span> <span word="from">from</span> 19.1% <span word="in">in</span> 1994 <span word="to">to</span> 51.7% <span word="in">in</span> 2010. <span word="For">For</span> <span word="men">men</span>, <span word="the">the</span> <span word="number">number</span> <span word="increased">increased</span> <span word="from">from</span> 11.4% <span word="in">in</span> 1994 <span word="to">to</span> 43.5% <span word="in">in</span> 2010. <span word="During">During</span> <span word="the">the</span> <span word="period">period</span>, <span word="average">average</span> <span word="BMI">BMI</span> <span word="has">has</span> <span word="increased">increased</span> <span word="across">across</span> <span word="the">the</span> <span word="board">board</span>, <span word="with">with</span> <span word="the">the</span> <span word="most">most</span> <span word="dramatic">dramatic</span> <span word="rise">rise</span> <span word="found">found</span> <span word="among">among</span> <span word="young">young</span> <span word="women">women</span> <span word="ages">ages</span> 18-39.</p><p> <span word="These">These</span> <span word="changes">changes</span> <span word="have">have</span> <span word="occurred">occurred</span> <span word="in">in</span> <span word="the">the</span> <span word="context">context</span> <span word="of">of</span> <span word="substantial">substantial</span> <span word="increases">increases</span> <span word="in">in</span> <span word="the">the</span> <span word="proportion">proportion</span> <span word="of">of</span> <span word="adults">adults</span> <span word="reporting">reporting</span> <span word="no">no</span> <span word="leisure">leisure</span>-<span word="time">time</span> <span word="physical">physical</span> <span word="activity">activity</span>, <span word="but">but</span> <span word="in">in</span> <span word="the">the</span> <span word="absence">absence</span> <span word="of">of</span> <span word="any">any</span> <span word="significant">significant</span> <span word="population">population</span>-<span word="level">level</span> <span word="changes">changes</span> <span word="in">in</span> <span word="average">average</span> <span word="daily">daily</span> <span word="caloric">caloric</span> <span word="intake">intake</span>, <span word="explains">explains</span> <span word="lead">lead</span> <span word="investigator">investigator</span> <span word="Uri">Uri</span> <span word="Ladabaum">Ladabaum</span>, <span word="MD">MD</span>, <span word="MS">MS</span>, <span word="Associate">Associate</span> <span word="Professor">Professor</span> <span word="of">of</span> <span word="Medicine">Medicine</span> , <span word="Stanford">Stanford</span> <span word="University">University</span> <span word="School">School</span> <span word="of">of</span> <span word="Medicine">Medicine</span>. <span word="At">At</span> <span word="the">the</span> <span word="population">population</span> <span word="level">level</span>, <span word="we">we</span> <span word="found">found</span> <span word="a">a</span> <span word="significant">significant</span> <span word="association">association</span> <span word="between">between</span> <span word="the">the</span> <span word="level">level</span> <span word="of">of</span> <span word="leisure">leisure</span>-<span word="time">time</span> <span word="physical">physical</span> <span word="activity">activity</span>, <span word="but">but</span> <span word="not">not</span> <span word="daily">daily</span> <span word="caloric">caloric</span> <span word="intake">intake</span>, <span word="and">and</span> <span word="the">the</span> <span word="increases">increases</span> <span word="in">in</span> <span word="both">both</span> <span word="BMI">BMI</span> <span word="and">and</span> <span word="waist">waist</span> <span word="circumference">circumference</span>.</p>
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