吃多少盐才健康?
<p><span word="The">The</span> <span word="human">human</span> <span word="body">body</span> <span word="needs">needs</span> <span word="a">a</span> <span word="tiny">tiny</span> <span word="amount">amount</span> <span word="of">of</span> <span word="sodium">sodium</span> <span word="to">to</span> <span word="function">function</span> <span word="properly">properly</span> <span word="and">and</span> <span word="this">this</span> <span word="is">is</span> <span word="typically">typically</span> <span word="found">found</span> <span word="in">in</span> <span word="salt">salt</span> (<span word="sodium">sodium</span> <span word="chloride">chloride</span>).</p><p>人体需要微量钠，以便正常运作。而钠通常在盐里（氯化钠）。</p><p><span word="But">But</span> <span word="today">today</span> <span word="most">most</span> <span word="people">people</span> <span word="consume">consume</span> <span word="way">way</span> <span word="too">too</span> <span word="much">much</span> <span word="salt">salt</span>, <span word="increasing">increasing</span> <span word="the">the</span> <span word="burden">burden</span> <span word="of">of</span> <span word="cardiovascular">cardiovascular</span> <span word="disease">disease</span> <span word="around">around</span> <span word="the">the</span> <span word="world">world</span>.</p><p>但是今天大多数人摄入太多盐，在世界上增加了心血管疾病。</p><p><span word="Health">Health</span> <span word="professionals">professionals</span> <span word="have">have</span> <span word="been">been</span> <span word="trying">trying</span> <span word="to">to</span> <span word="tackle">tackle</span> <span word="this">this</span> <span word="problem">problem</span> <span word="for">for</span> <span word="decades">decades</span>, <span word="but">but</span> <span word="face">face</span> <span word="several">several</span> <span word="barriers">barriers</span>, <span word="including">including</span> <span word="research">research</span> <span word="that">that</span> <span word="muddies">muddies</span> <span word="the">the</span> <span word="water">water</span> <span word="about">about</span> <span word="what">what</span> <span word="safe">safe</span> <span word="levels">levels</span> <span word="of">of</span> <span word="salt">salt</span> <span word="intake">intake</span> <span word="are">are</span>.</p><p>健康专家数十年来一直在努力解决这个问题，但是面临几个障碍，包括有关摄入盐的安全等级的搅混水研究。</p><p><span word="This">This</span> <span word="has">has</span> <span word="cast">cast</span> <span word="unnecessary">unnecessary</span> <span word="doubt">doubt</span> <span word="on">on</span> <span word="the">the</span> <span word="importance">importance</span> <span word="of">of</span> <span word="reducing">reducing</span> <span word="intakes">intakes</span>.</p><p>这为减少摄入的重要性带来了不必要的疑虑。</p>
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