怎么吃才能保持身体健康
<p> 怎么吃才能保持身体健康 <span word="British">British</span> <span word="nutritionists">nutritionists</span> <span word="threw">threw</span> <span word="down">down</span> <span word="the">the</span> <span word="gauntlet">gauntlet</span> <span word="to">to</span> <span word="dietary">dietary</span> <span word="guidelines">guidelines</span> <span word="in">in</span> <span word="April">April</span> <span word="by">by</span> <span word="declaring">declaring</span> <span word="seven">seven</span> <span word="daily">daily</span> <span word="portions">portions</span> <span word="of">of</span> <span word="fresh">fresh</span> <span word="fruit">fruit</span> <span word="and">and</span> <span word="vegetables">vegetables</span>, <span word="rather">rather</span> <span word="than">than</span> <span word="the">the</span> <span word="recommended">recommended</span> <span word="five">five</span>, <span word="were">were</span> <span word="the">the</span> <span word="key">key</span> <span word="to">to</span> <span word="health">health</span>. 英国营养学家在四月份向既定的食谱指南发起挑战，宣称保持身体健康的关键是每日七种蔬果搭配而不是以往推荐的五种蔬果。 <span word="But">But</span> <span word="a">a</span> <span word="new">new</span> <span word="foray">foray</span> <span word="into">into</span> <span word="the">the</span> <span word="arena">arena</span> <span word="of">of</span> <span word="sound">sound</span> <span word="eating">eating</span> <span word="says">says</span> <span word="the">the</span> <span word="famous">famous</span> <span word="five">five</span>-<span word="a">a</span>-<span word="day">day</span> <span word="recommendation">recommendation</span> <span word="made">made</span> <span word="by">by</span> <span word="the">the</span> <span word="UN">UN</span> <span word="s">s</span> <span word="World">World</span> <span word="Health">Health</span> <span word="Organisation">Organisation</span> <span word="in">in</span> 2003 <span word="should">should</span> <span word="be">be</span> <span word="fine">fine</span>. <span word="Researchers">Researchers</span> <span word="in">in</span> <span word="China">China</span> <span word="and">and</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="trawled">trawled</span> <span word="through">through</span> 16 <span word="published">published</span> <span word="investigations">investigations</span> <span word="into">into</span> <span word="diet">diet</span> <span word="and">and</span> <span word="health">health</span> <span word="involving">involving</span> <span word="more">more</span> <span word="than">than</span> 830,000 <span word="participants">participants</span>, <span word="who">who</span> <span word="were">were</span> <span word="followed">followed</span> <span word="for">for</span> <span word="periods">periods</span> <span word="ranging">ranging</span> <span word="from">from</span> <span word="four">four</span> <span word="and">and</span> <span word="a">a</span> <span word="half">half</span> <span word="years">years</span> <span word="to">to</span> 26 <span word="years">years</span>. <span word="Every">Every</span> <span word="additional">additional</span> <span word="daily">daily</span> <span word="serving">serving</span> <span word="of">of</span> <span word="fruit">fruit</span> <span word="and">and</span> <span word="vegetables">vegetables</span> <span word="reduced">reduced</span> <span word="the">the</span> <span word="average">average</span> <span word="risk">risk</span> <span word="of">of</span> <span word="premature">premature</span> <span word="death">death</span> <span word="from">from</span> <span word="all">all</span> <span word="causes">causes</span> <span word="by">by</span> <span word="five">five</span> <span word="percent">percent</span>, <span word="the">the</span> <span word="scientists">scientists</span> <span word="found">found</span>. <span word="Over">Over</span> <span word="the">the</span> <span word="period">period</span> <span word="of">of</span> <span word="the">the</span> <span word="studies">studies</span>, 56,000 <span word="of">of</span> <span word="the">the</span> <span word="participants">participants</span> <span word="died">died</span>, <span word="researchers">researchers</span> <span word="said">said</span>. <span word="In">In</span> <span word="the">the</span> <span word="case">case</span> <span word="of">of</span> <span word="death">death</span> <span word="from">from</span> <span word="a">a</span> <span word="heart">heart</span> <span word="attack">attack</span> <span word="or">or</span> <span word="a">a</span> <span word="stroke">stroke</span>, <span word="each">each</span> <span word="additional">additional</span> <span word="serving">serving</span> <span word="curbed">curbed</span> <span word="risk">risk</span> <span word="by">by</span> <span word="four">four</span> <span word="percent">percent</span>. <span word="But">But</span> <span word="there">there</span> <span word="was">was</span> <span word="no">no</span> <span word="evidence">evidence</span> <span word="of">of</span> <span word="an">an</span> <span word="additional">additional</span> <span word="fall">fall</span> <span word="in">in</span> <span word="risk">risk</span> <span word="beyond">beyond</span> <span word="five">five</span> <span word="portions">portions</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="review">review</span>, <span word="published">published</span> <span word="online">online</span> <span word="Tuesday">Tuesday</span> <span word="by">by</span> <span word="the">the</span> <span word="British">British</span> <span word="Medical">Medical</span> <span word="Journal">Journal</span> . <span word="We">We</span> <span word="found">found</span> <span word="a">a</span> <span word="threshold">threshold</span> <span word="of">of</span> <span word="around">around</span> <span word="five">five</span> <span word="servings">servings</span> <span word="a">a</span> <span word="day">day</span> <span word="of">of</span> <span word="fruit">fruit</span> <span word="and">and</span> <span word="vegetables">vegetables</span>, <span word="after">after</span> <span word="which">which</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="death">death</span> <span word="did">did</span> <span word="not">not</span> <span word="reduce">reduce</span> <span word="further">further</span>, <span word="said">said</span> <span word="the">the</span> <span word="investigators">investigators</span>, <span word="led">led</span> <span word="by">by</span> <span word="Frank">Frank</span> <span word="Hu">Hu</span> <span word="of">of</span> <span word="the">the</span> <span word="Harvard">Harvard</span> <span word="School">School</span> <span word="of">of</span> <span word="Public">Public</span> <span word="Health">Health</span> <span word="in">in</span> <span word="Boston">Boston</span>, <span word="Massachusetts">Massachusetts</span>. <span word="High">High</span> <span word="consumption">consumption</span> <span word="of">of</span> <span word="fruit">fruit</span> <span word="and">and</span> <span word="veg">veg</span> <span word="did">did</span> <span word="not">not</span> <span word="translate">translate</span> <span word="into">into</span> <span word="a">a</span> <span word="significant">significant</span> <span word="reduction">reduction</span> <span word="in">in</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="death">death</span> <span word="from">from</span> <span word="cancer">cancer</span>, <span word="the">the</span> <span word="study">study</span> <span word="also">also</span> <span word="found">found</span>. <span word="In">In</span> <span word="addition">addition</span> <span word="to">to</span> <span word="advising">advising</span> <span word="patients">patients</span> <span word="about">about</span> <span word="the">the</span> <span word="virtues">virtues</span> <span word="of">of</span> <span word="healthy">healthy</span> <span word="eating">eating</span>, <span word="doctors">doctors</span> <span word="should">should</span> <span word="also">also</span> <span word="push">push</span> <span word="home">home</span> <span word="the">the</span> <span word="message">message</span> <span word="about">about</span> <span word="risks">risks</span> <span word="from">from</span> <span word="obesity">obesity</span>, <span word="inactivity">inactivity</span>, <span word="smoking">smoking</span> <span word="and">and</span> <span word="excessive">excessive</span> <span word="drinking">drinking</span>, <span word="said">said</span> <span word="the">the</span> <span word="paper">paper</span>.</p>
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