牛奶虽好可别贪杯 研究称一天3杯奶死的快
<p><span word="Drinking">Drinking</span> <span word="more">more</span> <span word="than">than</span> <span word="three">three</span> <span word="glasses">glasses</span> <span word="of">of</span> <span word="milk">milk</span> <span word="a">a</span> <span word="day">day</span> <span word="may">may</span> <span word="not">not</span> <span word="protect">protect</span> <span word="bones">bones</span> <span word="against">against</span> <span word="breaking">breaking</span> - <span word="and">and</span> <span word="may">may</span> <span word="even">even</span> <span word="lead">lead</span> <span word="to">to</span> <span word="higher">higher</span> <span word="rates">rates</span> <span word="of">of</span> <span word="death">death</span>, <span word="say">say</span> <span word="researchers">researchers</span>. <span word="A">A</span> <span word="new">new</span> <span word="study">study</span> <span word="suggests">suggests</span> <span word="certain">certain</span> <span word="types">types</span> <span word="of">of</span> <span word="sugars">sugars</span> <span word="found">found</span> <span word="in">in</span> <span word="milk">milk</span> <span word="may">may</span> <span word="increase">increase</span> <span word="inflammation">inflammation</span> <span word="and">and</span> <span word="oxidative">oxidative</span> <span word="stress">stress</span>, <span word="which">which</span> <span word="can">can</span> <span word="damage">damage</span> <span word="body">body</span> <span word="cells">cells</span>. <span word="But">But</span> <span word="Swedish">Swedish</span> <span word="researchers">researchers</span> <span word="said">said</span> <span word="their">their</span> <span word="study">study</span> <span word="could">could</span> <span word="not">not</span> <span word="prove">prove</span> ‘<span word="cause">cause</span> <span word="and">and</span> <span word="effect">effect</span>’ <span word="and">and</span> <span word="much">much</span> <span word="more">more</span> <span word="research">research</span> <span word="was">was</span> <span word="needed">needed</span> <span word="before">before</span> <span word="anyone">anyone</span> <span word="would">would</span> <span word="be">be</span> <span word="advised">advised</span> <span word="to">to</span> <span word="limit">limit</span> <span word="their">their</span> <span word="milk">milk</span> <span word="consumption">consumption</span>.</p><p>调研者称，每天喝三杯以上牛奶非但不会帮你预防骨折，还可能导致更高的致死率。一项最新的研究表明，牛奶中包含的特定糖类会增加炎症和氧化压力，损坏身体细胞组织。然而在确定这一调查结果之前，瑞典调查者认为还需要进行更多的调查。</p><p><span word="Milk">Milk</span> <span word="is">is</span> <span word="recommended">recommended</span> <span word="for">for</span> <span word="cutting">cutting</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="fractures">fractures</span> <span word="because">because</span> <span word="it">it</span> <span word="contains">contains</span> <span word="calcium">calcium</span> <span word="and">and</span> <span word="vitamin">vitamin</span> <span word="D">D</span>, <span word="which">which</span> <span word="are">are</span> <span word="vital">vital</span> <span word="for">for</span> <span word="bone">bone</span> <span word="strength">strength</span>. <span word="However">However</span>, <span word="there">there</span> <span word="have">have</span> <span word="been">been</span> <span word="conflicting">conflicting</span> <span word="results">results</span> <span word="from">from</span> <span word="studies">studies</span> <span word="into">into</span> <span word="the">the</span> <span word="health">health</span> <span word="benefits">benefits</span> <span word="of">of</span> <span word="milk">milk</span> <span word="in">in</span> <span word="recent">recent</span> <span word="decades">decades</span>, <span word="with">with</span> <span word="some">some</span> <span word="showing">showing</span> <span word="it">it</span> <span word="prevents">prevents</span> <span word="heart">heart</span> <span word="attacks">attacks</span> <span word="and">and</span> <span word="strokes">strokes</span> <span word="and">and</span> <span word="others">others</span> <span word="the">the</span> <span word="opposite">opposite</span>. <span word="Professor">Professor</span> <span word="Karl">Karl</span> <span word="Micha">Micha</span>ë<span word="lsson">lsson</span>, <span word="Sweden">Sweden</span>, <span word="led">led</span> <span word="a">a</span> <span word="team">team</span> <span word="to">to</span> <span word="investigate">investigate</span> <span word="whether">whether</span> <span word="the">the</span> <span word="mechanism">mechanism</span> <span word="for">for</span> <span word="potential">potential</span> <span word="harm">harm</span> <span word="was">was</span> <span word="consumption">consumption</span> <span word="of">of</span> <span word="the">the</span> <span word="sugars">sugars</span> <span word="lactose">lactose</span> <span word="and">and</span> <span word="galactose">galactose</span> <span word="found">found</span> <span word="in">in</span> <span word="high">high</span> <span word="levels">levels</span> <span word="in">in</span> <span word="milk">milk</span>, <span word="compared">compared</span> <span word="with">with</span> <span word="much">much</span> <span word="lower">lower</span> <span word="levels">levels</span> <span word="in">in</span> <span word="other">other</span> <span word="dairy">dairy</span> <span word="products">products</span>.</p><p>牛奶因其还有钙质和维生素<span word="D">D</span>、可以预防骨折而被推荐饮用。然而近年来，牛奶的功效一直备受争议。有人认为牛奶可以预防心脏病和中风，而又有人对此持反对意见。瑞典乌普萨拉大学卡尔教授带领一个小组调查的内容就是：和其他乳制品相比，牛奶中乳糖和半乳糖含量较高，而这是否会对人体造成潜在危害。</p>
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