研究:怀双胞胎的母亲更长寿
<p><span word="Having">Having</span> <span word="two">two</span> <span word="babies">babies</span> <span word="at">at</span> <span word="a">a</span> <span word="time">time</span> <span word="is">is</span> <span word="associated">associated</span> <span word="with">with</span> <span word="a">a</span> <span word="longer">longer</span> <span word="life">life</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="new">new</span> <span word="study">study</span>. <span word="But">But</span> <span word="that">that</span>'<span word="s">s</span> <span word="not">not</span> <span word="because">because</span> <span word="doubling">doubling</span> <span word="up">up</span> <span word="on">on</span> <span word="dirty">dirty</span> <span word="diapers">diapers</span> <span word="increases">increases</span> <span word="life">life</span> <span word="span">span</span>; <span word="instead">instead</span>, <span word="moms">moms</span> <span word="of">of</span> <span word="twins">twins</span> <span word="are">are</span> <span word="physically">physically</span> <span word="stronger">stronger</span> <span word="in">in</span> <span word="the">the</span> <span word="first">first</span> <span word="place">place</span>.</p><p>一项最新的研究发现，育有双胞胎的母亲寿命较长。当然这倒不是说每天多洗一堆尿布能使人长寿，而是能生双胞胎的妇女首先身体就不会差。</p>
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