您现在的位置:首页 > 医讯 > 医学前沿
查脚趾甲能预测肺癌
发布时间:2011-03-15 11:11     来源:君健网

    据美国《时代周刊》3月7日报道,大部分药物测试都使用唾液或尿液,但加州大学圣迭戈医学中心及哈佛大学公共医学院发现,在检测人体中的尼古丁含量以评估罹患肺癌风险时,脚趾甲是最可靠的检测方式。

    为何是脚趾甲,因为其生长缓慢,比起唾液及尿液,可蓄积更多的尼古丁。且此尼古丁含量与吸烟的频率及数量无关。事实上,在其含量最高的人群中,有10%的人从不吸烟。

    之前一般用问卷调查询问吸烟史,研究者称该法存在一些缺陷,因为有些人会搪塞敷衍,还有些人虽抽烟不多,但吸气很深。相比此法,脚趾甲检测则更有效率。研究者早年提取了840名40到75岁男性烟民的脚趾甲。并将其分为两组,210个样本为后来12年内患上肺癌的男性烟民,其他630个样本主人未得此病。研究发现,脚趾甲内尼古丁含量最高人群患肺癌的风险是最低人群的3.57倍。参与该项目的德莱米博士及沃特博士写道:“用脚趾甲检测尼古丁含量可以很好地预测肺癌发生率,亦说明此前仅基于吸烟史的研究或低估了吸烟的后果。”

分享到:
document.getElementById("bdshell_js").src = "http://bdimg.share.baidu.com/static/js/shell_v2.js?cdnversion=" + Math.ceil(new Date()/3600000)

颅内动脉支架成形术研究获进展  上一篇 | 下一篇  科学家发现罕见皮肤癌自愈基因

function submit_comment() { if (checkFormValueById('frmComment')) { $('#frmComment').showLoading(); var frmComment = document.getElementById('frmComment'); frmComment.action = '/sitefiles/services/cms/action.aspx?publishmentSystemID=1&styleID=8&type=comment&channelID=120&contentID=162205'; frmComment.target = 'iframeComment'; frmComment.submit(); } } function stlCommentCallback(jsonString){ $('#frmComment').hideLoading(); var obj = eval('(' + jsonString + ')'); if (obj){ $('#commentSuccess').hide(); $('#commentFailure').hide(); if (obj.isSuccess == 'false'){ $('#commentFailure').show(); $('#commentFailureMessage').html(obj.failureMessage); }else{ $('#commentSuccess').show(); $('#commentContainer').hide(); } } }
评论  event_observe('Content', 'blur', checkAttributeValue);
提交
function getQueryString() { var i, len, params = '', hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&'); for(i = 0, len = hashes.length, len; i < len; i+=1) { hash = hashes[i].split('='); if (hash && hash.length == 2){ value = encodeURIComponent(decodeURIComponent(decodeURIComponent(hash[1]))); params += (hash[0] + '=' + value + '&'); } } if (params && params.length > 0) params = params.substring(0, params.length - 1); return params; } function stlDynamic_ajaxElement_1_389(pageNum) { try { var url = "/sitefiles/services/cms/dynamic/output.aspx?publishmentSystemID=1&" + getQueryString(); var pars = "pageNodeID=120&pageContentID=162205&pageTemplateID=81&isPageRefresh=False&pageUrl=3aXSaKwVkvxUWuZ3U2Sx0add0VuwbTx5ql53jPnUGeBBhyI0slash0SaxgIZaV0mUaBIbmVAosq3Q3NsFAnPU0equals0&ajaxDivID=ajaxElement_1_389&templateContent=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"; if (pageNum && pageNum > 0) { pars += "&pageNum=" + pageNum; } jQuery.post(url, pars, function(data,textStatus){ jQuery("#ajaxElement_1_389").html(data); }); }catch(e){} } stlDynamic_ajaxElement_1_389(0);
function tabChange(obj,id) { var arrayli = obj.parentNode.getElementsByTagName("li"); //获取li数组 var arrayul = document.getElementById(id).getElementsByTagName("ul"); //获取ul数组 for(i=0;i
junjian99.com  关注白领健康  专注疑难杂症
关于君健网和医学 - 网络营销中心 - 网站导航 - 招聘信息 - 联系方式 - 隐私权政策
©2005-2015   君健网    var cnzz_protocol = (("https:" == document.location.protocol) ? " https://" : " http://");document.write(unescape("%3Cspan id='cnzz_stat_icon_1253186545'%3E%3C/span%3E%3Cscript src='" + cnzz_protocol + "s95.cnzz.com/z_stat.php%3Fid%3D1253186545%26show%3Dpic' type='text/javascript'%3E%3C/script%3E")); 湘ICP备13009358号-1
var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "//hm.baidu.com/hm.js?9d70d089441fbc826ee2f94492d17bdc"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); (function(){ var bp = document.createElement('script'); bp.src = '//push.zhanzhang.baidu.com/push.js'; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); AddTrackerCount('/sitefiles/services/cms/PageService.aspx?type=AddTrackerCount&publishmentSystemID=1&channelID=1&contentID=0', 1); AddTrackerCount('/sitefiles/services/cms/PageService.aspx?type=AddTrackerCount&publishmentSystemID=1&channelID=120&contentID=162205', 1);