研究：服用多种维生素制剂无益健康
<p><span word="Vitamins">Vitamins</span> <span word="and">and</span> <span word="other">other</span> <span word="food">food</span> <span word="supplements">supplements</span> <span word="taken">taken</span> <span word="by">by</span> <span word="millions">millions</span> <span word="of">of</span> <span word="women">women</span> <span word="may">may</span> <span word="actually">actually</span> <span word="put">put</span> <span word="them">them</span> <span word="at">at</span> <span word="more">more</span> <span word="risk">risk</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="major">major</span> <span word="study">study</span>。</p><p><span word="Scientists">Scientists</span> <span word="say">say</span> <span word="there">there</span> <span word="is">is</span> <span word="little">little</span> <span word="evidence">evidence</span> <span word="the">the</span> <span word="pills">pills</span> <span word="do">do</span> <span word="any">any</span> <span word="good">good</span> – <span word="and">and</span> <span word="in">in</span> <span word="fact">fact</span> <span word="some">some</span> <span word="could">could</span> <span word="be">be</span> <span word="causing">causing</span> <span word="serious">serious</span> <span word="harm">harm</span>。</p><p><span word="A">A</span> <span word="study">study</span> <span word="involving">involving</span> <span word="nearly">nearly</span> 39,000 <span word="women">women</span> <span word="has">has</span> <span word="found">found</span> <span word="multivitamins">multivitamins</span>, <span word="vitamin">vitamin</span> <span word="B">B</span>, <span word="folic">folic</span> <span word="acid">acid</span>, <span word="iron">iron</span>, <span word="magnesium">magnesium</span> <span word="and">and</span> <span word="copper">copper</span> <span word="all">all</span> <span word="increased">increased</span> <span word="the">the</span> <span word="statistical">statistical</span> <span word="risk">risk</span> <span word="of">of</span> <span word="premature">premature</span> <span word="death">death</span>。</p><p><span word="Nearly">Nearly</span> <span word="a">a</span> <span word="third">third</span> <span word="of">of</span> <span word="adults">adults</span> <span word="in">in</span> <span word="Britain">Britain</span> <span word="take">take</span> <span word="some">some</span> <span word="form">form</span> <span word="of">of</span> <span word="dietary">dietary</span> <span word="supplement">supplement</span> <span word="most">most</span> <span word="days">days</span> <span word="and">and</span> <span word="the">the</span> <span word="industry">industry</span> <span word="is">is</span> <span word="worth">worth</span> £675<span word="million">million</span> <span word="a">a</span> <span word="year">year</span>。</p><p><span word="Some">Some</span> <span word="of">of</span> <span word="the">the</span> <span word="most">most</span> <span word="popular">popular</span> <span word="pills">pills</span> <span word="include">include</span> <span word="multivitamins">multivitamins</span>, <span word="vitamin">vitamin</span> <span word="A">A</span>, <span word="C">C</span> <span word="and">and</span> <span word="E">E</span>, <span word="iron">iron</span>, <span word="folic">folic</span> <span word="acid">acid</span> <span word="and">and</span> <span word="calcium">calcium</span> – <span word="which">which</span> <span word="are">are</span> <span word="all">all</span> <span word="thought">thought</span> <span word="to">to</span> <span word="improve">improve</span> <span word="long">long</span>-<span word="term">term</span> <span word="health">health</span> <span word="and">and</span> <span word="ward">ward</span> <span word="off">off</span> <span word="illnesses">illnesses</span>。</p><p><span word="Scientists">Scientists</span> <span word="from">from</span> <span word="Finland">Finland</span>, <span word="Norway">Norway</span>, <span word="the">the</span> <span word="U">U</span>.<span word="S">S</span>. <span word="and">and</span> <span word="South">South</span> <span word="Korea">Korea</span> <span word="looked">looked</span> <span word="at">at</span> <span word="the">the</span> <span word="long">long</span>-<span word="term">term</span> <span word="health">health</span> <span word="effects">effects</span> <span word="of">of</span> <span word="common">common</span> <span word="vitamin">vitamin</span> <span word="pills">pills</span> <span word="and">and</span> <span word="minerals">minerals</span> <span word="on">on</span> 38,772 <span word="women">women</span> <span word="aged">aged</span> 55 <span word="to">to</span> 69.</p><p><span word="Over">Over</span> <span word="an">an</span> 18-<span word="year">year</span> <span word="period">period</span> <span word="the">the</span> <span word="women">women</span> <span word="recorded">recorded</span> <span word="any">any</span> <span word="supplements">supplements</span> <span word="they">they</span> <span word="regularly">regularly</span> <span word="took">took</span>。</p><p><span word="The">The</span> <span word="results">results</span>, <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="Archives">Archives</span> <span word="of">of</span> <span word="Internal">Internal</span> <span word="Medicine">Medicine</span>, <span word="found">found</span> <span word="copper">copper</span> <span word="increased">increased</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="dying">dying</span> <span word="prematurely">prematurely</span> <span word="by">by</span> 18 <span word="per">per</span> <span word="cent">cent</span>. <span word="Folic">Folic</span> <span word="acid">acid</span> – <span word="which">which</span> <span word="pregnant">pregnant</span> <span word="women">women</span> <span word="are">are</span> <span word="told">told</span> <span word="to">to</span> <span word="take">take</span> <span word="to">to</span> <span word="protect">protect</span> <span word="their">their</span> <span word="child">child</span> <span word="against">against</span> <span word="spina">spina</span> <span word="bifida">bifida</span> – <span word="increased">increased</span> <span word="risk">risk</span> <span word="of">of</span> <span word="death">death</span> <span word="by">by</span> <span word="almost">almost</span> 6 <span word="per">per</span> <span word="cent">cent</span>, <span word="while">while</span> <span word="iron">iron</span> <span word="raised">raised</span> <span word="the">the</span> <span word="risk">risk</span> <span word="by">by</span> <span word="nearly">nearly</span> 4 <span word="per">per</span> <span word="cent">cent</span>。</p><p><span word="Multivitamins">Multivitamins</span> <span word="raised">raised</span> <span word="the">the</span> <span word="risk">risk</span> <span word="by">by</span> 2.4 <span word="per">per</span> <span word="cent">cent</span>, <span word="vitamin">vitamin</span> <span word="B">B</span>6 <span word="by">by</span> 4 <span word="per">per</span> <span word="cent">cent</span>, <span word="magnesium">magnesium</span> <span word="by">by</span> 3.6 <span word="per">per</span> <span word="cent">cent</span> <span word="and">and</span> <span word="zinc">zinc</span> <span word="by">by</span> 3 <span word="per">per</span> <span word="cent">cent</span>。</p>
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