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戴口罩防寒 当心更易生病

健康 来源:武汉晨报 2018年03月01日 09:17 A-A+ 二维码
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原标题:

  鼻子很敏感,遇到冷空气就容易感冒。大雪过后,武汉天气太冷,不少市民外出都带上口罩。医生提醒,长时间戴口罩、不经常更换口罩,反而更容易生病。

  武汉市汉口医院呼吸内科医生姚汉玲介绍,前段时间曾接诊一位13岁初中生,每天戴口罩,一周后感冒了,家人都很纳闷。其实,戴口罩本身的确能防感冒,在人多、空气不流通、空气严重污染等特殊环境下,以及流感流行季节,戴口罩可以减少吸入有害物质和病毒,防止感冒。

  但正常情况下,戴口罩必要性不大。正常人体鼻腔黏膜血液循环非常旺盛,鼻腔里的通道又很曲折,鼻毛构起一道过滤屏障,当空气吸入鼻孔时,气流在曲折的通道中形成一股漩涡,使吸入的气流得到加温,等吸入人体时,已经不那么寒冷。相反,长时间戴口罩,反令鼻腔变得脆弱,失去鼻腔的原有生理功能,人体缺乏锻炼,稍微受凉更容易感冒。

  此外,戴口罩时如果不及时换洗,更容易被污染,从而引发感冒。(记者王春岚 通讯员周文华李俊平)

BlobNotFoundThe specified blob does not exist. RequestId:7d41f0bb-001e-006b-3035-13653f000000 Time:2019-05-25T20:10:52.7509789Z 戴口罩 | 感冒
BlobNotFoundThe specified blob does not exist. RequestId:a9aa7734-501e-00f0-6e35-13e807000000 Time:2019-05-25T20:10:52.7525341Z
我要纠错编辑:邹杨 责任编辑:张福伟
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