研究称吸烟可能降低男性精子质量
<p><span word="Everyone">Everyone</span> <span word="knows">knows</span> <span word="that">that</span> <span word="a">a</span> <span word="woman">woman</span> <span word="who">who</span> <span word="smokes">smokes</span> <span word="and">and</span> <span word="plans">plans</span> <span word="to">to</span> <span word="become">become</span> <span word="pregnant">pregnant</span> <span word="should">should</span> <span word="stop">stop</span> <span word="smoking">smoking</span>. <span word="A">A</span> <span word="new">new</span> <span word="study">study</span> <span word="suggests">suggests</span> <span word="that">that</span> <span word="the">the</span> <span word="future">future</span> <span word="father">father</span> <span word="should">should</span> <span word="quit">quit</span>, <span word="too">too</span>.</p><p>人人都知道，吸烟的女性如果计划怀孕，就应该戒烟。一项新研究表明，计划要孩子的男性也应该戒烟。</p><p><span word="Brazilian">Brazilian</span> <span word="researchers">researchers</span> <span word="analyzed">analyzed</span> <span word="the">the</span> <span word="sperm">sperm</span> <span word="of">of</span> 20 <span word="smokers">smokers</span> <span word="and">and</span> 20 <span word="nonsmokers">nonsmokers</span> <span word="and">and</span> <span word="found">found</span> <span word="that">that</span> <span word="the">the</span> <span word="smokers">smokers</span>’ <span word="sperm">sperm</span> <span word="was">was</span> <span word="damaged">damaged</span> <span word="in">in</span> <span word="ways">ways</span> <span word="that">that</span> <span word="could">could</span> <span word="reduce">reduce</span> <span word="the">the</span> <span word="chance">chance</span> <span word="of">of</span> <span word="fertilization">fertilization</span> <span word="and">and</span> <span word="might">might</span> <span word="also">also</span> <span word="lead">lead</span> <span word="to">to</span> <span word="health">health</span> <span word="problems">problems</span> <span word="in">in</span> <span word="the">the</span> <span word="baby">baby</span>.</p><p>巴西的一些研究人员分析了20位吸烟者和20位不吸烟者的精子，发现吸烟者的精子受到了损伤，而这可能降低卵子成功受精的几率，还可能为婴儿带来健康问题。</p>
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