z研究显示 维生素D可预防感冒和流感
<p><span word="Vitamin">Vitamin</span> <span word="D">D</span> <span word="supplements">supplements</span> <span word="could">could</span> <span word="spare">spare</span> <span word="more">more</span> <span word="than">than</span> <span word="three">three</span> <span word="million">million</span> <span word="people">people</span> <span word="from">from</span> <span word="colds">colds</span> <span word="or">or</span> <span word="flu">flu</span> <span word="in">in</span> <span word="the">the</span> <span word="UK">UK</span> <span word="each">each</span> <span word="year">year</span>, <span word="researchers">researchers</span> <span word="claim">claim</span>.</p><p>研究人员声称，维生素<span word="D">D</span>的额外摄入每年可预防英国超过三百万人患上感冒或流感。</p><p><span word="The">The</span> <span word="sunshine">sunshine</span> <span word="vitamin">vitamin</span> <span word="is">is</span> <span word="vital">vital</span> <span word="for">for</span> <span word="healthy">healthy</span> <span word="bones">bones</span>, <span word="but">but</span> <span word="also">also</span> <span word="has">has</span> <span word="a">a</span> <span word="role">role</span> <span word="in">in</span> <span word="the">the</span> <span word="immune">immune</span> <span word="system">system</span>.</p><p>这种可以靠阳光补充的维生素对骨骼的健康发展有至关重要的作用，但同时也参与免疫系统的工作。</p><p><span word="The">The</span> <span word="analysis">analysis</span>, <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="British">British</span> <span word="Medical">Medical</span> <span word="Journal">Journal</span>, <span word="argues">argues</span> <span word="food">food</span> <span word="should">should</span> <span word="be">be</span> <span word="fortified">fortified</span> <span word="with">with</span> <span word="the">the</span> <span word="vitamin">vitamin</span>.</p><p>根据《英国医学杂志》的统计结果表明，食物中应该富含维生素。</p>
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