喝水多了有什么坏处
喝水多了有什么坏处喝水多的缺点/
推荐回答(5个)
1、引起水
如果水喝得太多,超过了脏排出的水量,身体里面的水就会增多,就会水中毒。一般脏、肾脏不好的人会水中毒,正常人一般不会,但是正常人在出了很多汗后大量喝水却不补充盐分也会水中毒。会感觉肌肉疼,严重的会晕厥,更严重会造成死亡。
2、造成低血钠
如果喝得太多,排得又少,血液中就会有很多水;这时候又没能为身体补充钠盐,就会导致血液中钠盐的含量降低,血钠低就会使得身体的各项机能都被影响。
3、及时补充盐
不想水中毒,那么就注意一下子饮水不能过多。要是想要喝很多水,同时要注意补充钠盐,可以试着喝点淡盐水。
4、特殊人注意
一般情况下正常人喝很多水都是没问题的,最多也就是多跑几趟厕所。特殊的人群是要注意的,比如肾脏、心脏不好的人,身体浮肿的人,都是不能够大量喝水的,会增加身体的负担。
喝水太多会增加肾脏的负担。
人体内66%都是水,这些水通过血液循环滋养了细胞和细胞间质,对我们无比重要,而且这些无比重要的水分每时每刻都在从各种途径逃离,比如出汗,排泄,呼气等等。
身体随时都需要我们补充水分,但是如果喝水太多,就可能带来危险。对一个生活在温热带、每天做适量运动的健康成年人而言,如果短时间内喝过多水,可能会导致低钠血症。
健康的肾脏在正常状态下每小时可以排出800-1000毫升水,因此在这个程度内摄入水分(喝水或吃水果等),肾脏“表示毫无压力”。但如果在短时间内突然饮用了巨量的水,肾脏来不及排出,那些多余的水就会大量进入细胞,导致低钠血症。
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扩展资料:
不能喝的水:
1、不开的水。饮用未煮沸的水,患膀胱癌、直肠癌的可能性增加21%-38%。当水温达到100℃,这两种有害物质会随蒸气蒸发而大大减少,如继续沸腾3分钟,则饮用安全。
2、千滚水。千滚水就是在炉上沸腾了一夜或很长时间的水,还有电热水器中反复煮沸的水。这种水因煮过久,水中不挥发性物质,如钙、镁等重金属成分和亚硝酸盐含量很高。久饮这种水,会干扰人的胃肠功能,出现暂时腹泻、腹胀。有毒的亚硝酸盐还会造成机体缺氧。
3、蒸锅水。蒸锅水就是蒸馒头等剩锅水,多次反复使用的蒸锅水亚硝酸盐浓度很高。常饮这种水,或用这种水熬稀饭,会引起亚硝酸盐中毒,水垢经常随水进入人体,还会引起消化、神经、泌尿和造血系统病变,甚至引起早衰、癌症。
4、老化水。俗称“死水”,也就是长时间贮存不动的水。常饮用这种水,对未成年人会使细胞新陈代谢明显减慢,影响身体发育;中老年人则会加速衰,许多老地方食道癌、胃癌发病率日益增高,可能与长期饮用老化水有关。老化水中的有毒物质也随着水贮存时间增加而增加。
参考资料来源:/health.people.com.cn/n1/2016/0108/c21471-28028578.html"target="_blank"title="人民网-什么样的水不能喝?喝4种水可能致癌!">人民网-什么样的水不能喝?喝4种水可能致癌!
参考资料来源:/health.people.com.cn/n/2015/0705/c14739-27255846.html"target="_blank"title="人民网-水喝多了也要命!喝水勿陷8大误区">人民网-水喝多了也要命!喝水勿陷8大误区
喝多了也会有坏处,比如有尿毒症或者肾功能,心脏功能比较衰弱的人适量喝水,不能过多,不然增加身体的负担,并且饮水过量会引起水中毒,体内出现过剩的水不被吸收,会使细胞膨胀,引起脱水低钠症,让人头晕眼花,虚弱无力等,严重者危机生命。所以喝水也一定要适量,并不是喝的越多越好。
喝水过量会引起水中毒,水中毒是指体内水分潴留过多导致细胞内水含量过多引起细胞功能紊乱,同时引起体内电解质紊乱。健康人水喝多了不会引起水中毒,通常见于严重肾病引起少尿或无尿,以及输低张液过多过快,会有生命危险。
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