要保护心脏就定期去看牙医
<p><span word="Visiting">Visiting</span> <span word="a">a</span> <span word="dental">dental</span> <span word="hygienist">hygienist</span> <span word="isn">isn</span>'<span word="t">t</span> <span word="just">just</span> <span word="good">good</span> <span word="for">for</span> <span word="your">your</span> <span word="teeth">teeth</span> – <span word="it">it</span> <span word="could">could</span> <span word="also">also</span> <span word="protect">protect</span> <span word="your">your</span> <span word="heart">heart</span>, <span word="researchers">researchers</span> <span word="claim">claim</span>.</p><p><span word="They">They</span> <span word="found">found</span> <span word="that">that</span> <span word="those">those</span> <span word="who">who</span> <span word="have">have</span> <span word="their">their</span> <span word="teeth">teeth</span> <span word="professionally">professionally</span> <span word="cleaned">cleaned</span> <span word="and">and</span> <span word="polished">polished</span> <span word="at">at</span> <span word="least">least</span> <span word="once">once</span> <span word="a">a</span> <span word="year">year</span> <span word="cut">cut</span> <span word="their">their</span> <span word="risk">risk</span> <span word="of">of</span> <span word="a">a</span> <span word="heart">heart</span> <span word="attack">attack</span> <span word="by">by</span> <span word="nearly">nearly</span> <span word="a">a</span> <span word="quarter">quarter</span>.</p><p><span word="And">And</span> <span word="they">they</span> <span word="are">are</span> 13 <span word="percent">percent</span> <span word="less">less</span> <span word="likely">likely</span> <span word="to">to</span> <span word="have">have</span> <span word="a">a</span> <span word="stroke">stroke</span> <span word="compared">compared</span> <span word="to">to</span> <span word="those">those</span> <span word="who">who</span> <span word="have">have</span> <span word="never">never</span> <span word="had">had</span> <span word="the">the</span> <span word="treatment">treatment</span>.</p><p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="known">known</span> <span word="for">for</span> <span word="several">several</span> <span word="years">years</span> <span word="that">that</span> <span word="the">the</span> <span word="condition">condition</span> <span word="of">of</span> <span word="teeth">teeth</span> <span word="and">and</span> <span word="gums">gums</span> <span word="is">is</span> <span word="strongly">strongly</span> <span word="linked">linked</span> <span word="to">to</span> <span word="the">the</span> <span word="likelihood">likelihood</span> <span word="of">of</span> <span word="heart">heart</span> <span word="problems">problems</span>.</p>
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