你健康吗？医生告诉你指甲揭示健康的秘密
<p><span word="What">What</span> <span word="Doctors">Doctors</span> <span word="Can">Can</span> <span word="Tell">Tell</span> <span word="About">About</span> <span word="Your">Your</span> <span word="Health">Health</span> <span word="Just">Just</span> <span word="By">By</span> <span word="Looking">Looking</span> <span word="At">At</span> <span word="Your">Your</span> <span word="Nails">Nails</span></p><p>仅看一眼你的指甲，医生会知道你的什么健康状况呢？</p><p><span word="When">When</span> <span word="most">most</span> <span word="of">of</span> <span word="us">us</span> <span word="look">look</span> <span word="at">at</span> <span word="our">our</span> <span word="hands">hands</span>, <span word="we">we</span> <span word="might">might</span> <span word="notice">notice</span> <span word="that">that</span> <span word="we">we</span> <span word="need">need</span> <span word="to">to</span> <span word="trim">trim</span>, <span word="clean">clean</span>, <span word="or">or</span> <span word="stop">stop</span> <span word="biting">biting</span> <span word="our">our</span> <span word="fingernails">fingernails</span>, <span word="and">and</span> <span word="that">that</span>'<span word="s">s</span> <span word="about">about</span> <span word="it">it</span>.</p><p>大多数人在看自己的手时，可能会注意到我们得剪指甲了、我们得洗手了、我们不能再咬指甲了，我们普通人知道的差不多就是这些了。</p><p><span word="But">But</span> <span word="if">if</span> <span word="you">you</span> <span word="ask">ask</span> <span word="a">a</span> <span word="dermatologist">dermatologist</span>, <span word="they">they</span> <span word="can">can</span> <span word="see">see</span> <span word="a">a</span> <span word="whole">whole</span> <span word="lot">lot</span> <span word="more">more</span>.</p><p>但如果让皮肤科医生看，他们会看出更多。</p><p><span word="Everything">Everything</span> <span word="from">from</span> <span word="poor">poor</span> <span word="diet">diet</span> <span word="and">and</span> <span word="stress">stress</span> <span word="to">to</span> <span word="serious">serious</span> <span word="kidney">kidney</span> <span word="problems">problems</span> <span word="can">can</span> <span word="be">be</span> <span word="revealed">revealed</span> <span word="by">by</span> <span word="a">a</span> <span word="glance">glance</span> <span word="at">at</span> <span word="your">your</span> <span word="fingernails">fingernails</span>.</p><p>小至不良的饮食习惯和个人压力，大至严重的肾脏问题，医生一眼就可从指甲中看出端倪。</p><p><span word="There">There</span> <span word="are">are</span> <span word="about">about</span> 30 <span word="different">different</span> <span word="nail">nail</span> <span word="signs">signs</span> <span word="that">that</span> <span word="can">can</span> <span word="be">be</span> <span word="associated">associated</span> <span word="with">with</span> <span word="medical">medical</span> <span word="issues">issues</span>, <span word="though">though</span> <span word="many">many</span> <span word="may">may</span> <span word="indicate">indicate</span> <span word="more">more</span> <span word="than">than</span> <span word="one">one</span> <span word="problem">problem</span>, <span word="according">according</span> <span word="to">to</span> <span word="Dr">Dr</span>. <span word="Amy">Amy</span> <span word="Derick">Derick</span>, <span word="a">a</span> <span word="clinical">clinical</span> <span word="instructor">instructor</span> <span word="of">of</span> <span word="dermatology">dermatology</span> <span word="at">at</span> <span word="Northwestern">Northwestern</span> <span word="University">University</span>.</p><p>美国西北大学的皮肤科临床讲师艾米·德里克指出，指甲上的30种不同症状可能与疾病有关，而许多症状代表的还不只是一种疾病。</p><p><span word="Here">Here</span> <span word="are">are</span> <span word="eight">eight</span> <span word="of">of</span> <span word="the">the</span> <span word="things">things</span> <span word="a">a</span> <span word="doctor">doctor</span> <span word="can">can</span> <span word="tell">tell</span> <span word="about">about</span> <span word="your">your</span> <span word="health">health</span> <span word="based">based</span> <span word="on">on</span> <span word="your">your</span> <span word="fingernails">fingernails</span>.</p><p>根据你的指甲，医生可对你的健康状况作出一些判断，以下是其中的八种：</p>
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