训练有素的狗能嗅出癌症
<p>狗是人类最好的朋友，也可能是人类健康最大的盟友。《今日医学资讯》报道称，越来越多的狗用于训练嗅出癌症、糖尿病、细菌感染和其他健康问题。</p><p>美国组织<span word="Dogs">Dogs</span>4<span word="Diabetes">Diabetes</span>的研究发现，狗狗们能在患有糖尿病的主人血糖指数太低时提醒他们。一只狗有超过3亿的气味腺（人大概有500万），这些使得狗的嗅觉的灵敏度是人的10万倍。</p><p><span word="Dogs">Dogs</span>4<span word="Diabetics">Diabetics</span>的常务董事拉尔夫认为，所有疾病都与气味有关，因为身体会发生变化，这些气味明显体现在呼吸和汗味里。</p><p><span word="Man">Man</span>'<span word="s">s</span> <span word="best">best</span> <span word="friend">friend</span> <span word="may">may</span> <span word="friend">friend</span> <span word="also">also</span> <span word="be">be</span> <span word="his">his</span> <span word="best">best</span> <span word="health">health</span> <span word="ally">ally</span>. <span word="Medical">Medical</span> <span word="News">News</span> <span word="Today">Today</span> <span word="reports">reports</span> <span word="a">a</span> <span word="rise">rise</span> <span word="in">in</span> <span word="the">the</span> <span word="number">number</span> <span word="dogs">dogs</span> <span word="trained">trained</span> <span word="to">to</span> <span word="sniff">sniff</span> <span word="out">out</span> <span word="cancer">cancer</span>, <span word="diabetic">diabetic</span> <span word="conditions">conditions</span>, <span word="bacterial">bacterial</span> <span word="infections">infections</span>, <span word="and">and</span> <span word="other">other</span> <span word="health">health</span> <span word="problems">problems</span>.</p>
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