喝自来水对身体有害吗?

2025-03-03 17:18:16
推荐回答(5个)
回答1:

自来水中含有亚硝胺,主要来自工业废水,亚硝胺类是健康风险最大的消毒副产物类别之一,特别是亚硝基二甲胺,亚硝基二甲胺是一种“致癌”物质,是消毒副产品,这些“致癌”物质,对身体也肯定是有害的。

自来水中残留微生物也会繁殖起来,这种水含有大量对人体有害的物质,还可能藏着威胁人类健康的一种急性呼吸道传染病菌—军团菌。

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扩展资料:

注意事项

1、及时观察生活饮用水的水质变化。首先要观察水的颜色,看其是否出现异常颜色或浑浊,有无异物;其次是闻水有无异味,例如土腥味、金属味、青草味等。

2、饮水前先放水。饮用自来水前,要先打开自来水龙头,让水流一会儿。这也同样适用于在每日的清晨用水货长时间未使用自来水时。

3、污染水处理。受污染的水不要直接饮用,一定要烧开,当水烧到接近100度时,把壶盖打开,使水中的挥发性有机物挥发掉,去除水中胶体物质后饮用。

参考资料来源:/js.people.com.cn/n2/2016/1019/c360298-29170391.html"target="_blank"title="人民网-自来水中“致癌物”危害究竟有多大?">人民网-自来水中“致癌物”危害究竟有多大?

参考资料来源:/health.people.com.cn/n/2015/1113/c21471-27811612.html"target="_blank"title="人民网-自来水"变色"了还能喝吗如何安全饮用自来水">人民网-自来水"变色"了还能喝吗如何安全饮用自来水

回答2:

长期饮用自来水会对身体有一定危害。原因是自来水净化一般是使用氯气,而残留的余氯在加热的过程中会生成三氯甲烷(有麻醉性、有致癌可能性)这种致癌物,长期饮用会对人体造成非常大的危害。自来水是指通过自来水处理厂净化、消毒后生产出来的符合相应标准的供人们生活、生产使用的水。生活用水主要通过水厂的取水泵站汲取江河湖泊及地下水,地表水,由自来水厂按照《国家生活饮用水相关卫生标准》,经过沉淀、消毒、过滤等工艺流程的处理,最后通过配水泵站输送到各个用户。

回答3:

有的,自来水没有煮沸,里面有各种细菌,如果经常这样喝,小心对肠胃有害,建议还是喝白开水,望采纳,谢谢,祝你身体健康

回答4:

喝自来水应注意以下4点:
(1)早晨流出的第一桶自来水可作为生活用水,但不宜饮用。因为这些水在自来水管里停留一夜,可能有细菌繁殖,也可能从水管中溶解出一定量的金属元素。
(2)开水一般沸腾3分钟,饮用未烧开或煮沸过久的水,对身体都不利。
(3)饮用水可先放置数小时再烧开(但不宜超过一天)。
(4)在全世界范围内,用氯消毒的水,水中的卤代烃有害物都无法完全避免,人体自身的解毒功能可使含量不多的有害物不至于产生危害。有条件者可以考虑使用合格的的活性炭净化器,以更加安全地饮用自来水。

回答5:

,水中藏匿着很多微生物,它们能适应水中的缺氧环境.如果喝生自来水,它们就被带到了肚子中,会造成肚子不适等不良症状,严重的还会引起腹泻和胃炎的发作等一系列病症.不过一般情况下不会有大的问题,但最好还是烧开了再喝比较安全.

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