饮用水中的微塑料：健康威胁的真实情况
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近年来，关于饮用水中微塑料对健康的讨论日益引起关注。然而，一些研究表明，饮用水中微塑料含量并不足以对人体健康构成严重威胁。一项发表在《环境科学与技术》期刊上的研究指出，目前水中微塑料的浓度尚未达到对人体健康产生负面影响的水平。虽然微塑料在环境中广泛存在，但它们对人体健康的潜在风险仍需要更深入的研究和探讨。此外，水处理技术的不断改进也有望有效减少饮用水中微塑料的含量，减缓潜在的健康风险。因此，饮用水中的微塑料虽然存在，但据目前的研究显示，它们并不会对健康产生明显的威胁。
Microplastics in drinking water ‘don’t appear to pose health risk,’ WHO says
By Katie Hunt, CNN
Updated 0004 GMT (0804 HKT) August 22,
饮用水微塑料不超标，但不代表食物中没有更多微塑料。但是相比塑料问题，更多地方是没有洁净的水。
[1] there’s little evidence to suggest that microplastics in the water we drink pose a risk to our health.
注释:几乎没有证据表明我们喝的水中的微塑料对我们的健康构成威胁。
[2] tap and bottled water
注释:自来水及瓶装水
[3] pose a health risk
注释:对健康构成威胁
[4] caveat
注释:警告
备注:美[kævɪæt; keɪ-] n. 警告；中止诉讼手续的申请；货物出门概不退换；停止支付的广告
[5] pathogens
注释:病原体
备注:美[pæθədʒəns] n. [基医]病原体；病原菌；[基医]致病菌
[6] diarrheal
注释:腹泻
备注:US[daɪəril]adj.腹泻的
[7] hazard
注释:危害
备注:美[hæzəd] n. 危险，风险；冒险的事；机会；双骰子游戏；（高尔夫球的）球场障碍；（庭院网球用语）可得分区域；（台球）落入袋中v. 大胆猜测；冒……的危险，使遭受危险；冒昧提出
[8] attach themselves to microplastics
注释:附着在微塑料上
[9] uptake
注释:吸收
备注:美[ʌpteɪk] n. 摄取；领会；举起
[10] nano size range
注释:纳米尺寸范围
[11] toxicity
注释:毒性
备注:美[tɒksɪsətɪ]n.[毒物]毒性
[12] senior lecturer
注释:高级讲师
[13] come as a relief to people
注释:对人们来说是一种解脱
[14] ingestion
注释:摄入
备注:美[ɪndʒestʃən] n. 摄取；吸收；咽下
[15] at source
注释:在源头
备注:在产地；在源头
[16] enacted
注释:付诸实施
备注:v. 通过（法律）；把……付诸实施；扮演（enact 的过去式及过去分词）
[17] incentive schemes
注释:激励计划
备注:激励方案
[18] we are ingesting an average of five grams of plastic every week, the equivalent of a credit card.
注释:我们平均每周摄入5克塑料，相当于一张信用卡。
[19] put concerns about exposure to microplastics from drinking water into context:
注释:将对饮用水中微塑料接触的担忧放在一定的背景下:
[20] surface runoff
注释:地表径流
备注:[水文]地表径流；地面迳流
[21] effluent
注释:废水
备注:美[eflʊənt] n. 污水；流出物；废气adj.流出的，发出的
[22] industrial effluent
注释:工业废水
备注:工业废液；工业流出物
[23] tertiary
注释:三级
备注:美[tɜːʃ(ə)rɪ] adj. 第三的；第三位的；职业教育的；（地质）第三纪的；三代的n. （地质）第三纪；第三修道会会员，第三级教士
[24] filtration
注释:过滤
备注:美[fɪltreɪʃn] n. 过滤；筛选
[25] fecally
注释:粪便
[26] diarrhea- related deaths
注释:腹泻相关死亡
[27] microbially contaminated drinking water
注释:受微生物污染的饮用水
(CNN)They may be in our oceans, rivers and ice butthere’s little evidence to suggest that microplastics in the water we drink pose a risk to our health.[1]In its first review on the health risks of plastic intap and bottled water[2], the World Health Organization said that microplastics “don’t appear topose a health risk[3]at current levels,” but the key finding came with a bigcaveat[4]— the review said available information was limited and more research was needed on microplastics and how they affect human health.“We urgently need to know more about the health impact of microplastics because they are everywhere — including in our drinking water,” said Dr. Maria Neira, director of the Department of Public Health, Environment and Social Determinants of Health at WHO.WHO said it did not recommend routine monitoring of microplastics in drinking water and said that concerns over microplastics should not distract water suppliers and regulators from removing microbialpathogens[5], such as those causing deadlydiarrheal[6]diseases.
Not ahazard[7], but not necessarily ‘harmless’ In its analysis, WHO looked at three potential hazards linked to microplastics: the physical particles, chemicals, and the micro-organisms that mayattach themselves to microplastics[8].Based on the limited evidence available, chemicals and microbial pathogens were a low concern for human health, the report said. Microplastics larger than 150 micrometres are not likely to be absorbed in the human body anduptake[9]of smaller particles is expected to be limited. Absorption of very small microplastic particles, including thenano size range[10]may, however, be higher.It added that were was insufficient information to draw conclusions on thetoxicity[11]of nanoparticles, but no reliable information suggested it is a concern.“To date there are no >[12]in chemistry at the University of East Anglia in the UK, said the WHO report would likelycome as a relief to people[13]who have been alarmed about levels of microplastics in our water supply.“The report also emphasizes that, while risks to health of microplastics throughingestion[14]in water may be low, there is a continuing need to reduce plastic inputs into the environmentat source[15], in order to prevent the problem becoming worse,” said Mayes, who wasn’t involved in the research.“This can beenacted[16]through better waste management and implementation ofincentive schemes[17]and governments should prioritize such actions in the overall global strategy to reduce plastic inputs into oceans (the ultimate sink for all of the waste).” Other dangers in the water WHO didn’t look at other ways we can ingest microplastics, including food and air, but said a future report would assess these risks.One recent study suggested thatwe are ingesting an average of five grams of plastic every week, the equivalent of a credit card.[18]“It is important toput concerns about exposure to microplastics from drinking water into context:[19]We are widely exposed to microplastics in our daily lives via a wide number of sources, of which drinking water is just one. Rather than focus on one route of exposure, a broader understanding of the wider sources and interactions of microplastics within the environment is needed,” said Horton.Tiny particles of plastic get into our drinking water in a number of ways but mainly throughsurface runoff[20]after rain or snow, waste water andindustrialeffluent[21,22]. Plastic bottles and caps that are used may also be sources of microplastics in drinking water, the report added.The report said treatment can remove more than 90% of microplastics from wastewater, with the highest removal coming fromtertiary[23]treatment such asfiltration[24].WHO said it was important to address the more significant health issue of inadequately or untreated water, with an estimated 2 billion people globally drinkingfecally[25]contaminated water. In , 485,000diarrhea- related deaths[26]were attributed tomicrobially contaminated drinking water[27]. //08/21/health/who-microplastics-drinking-water-risk-intl/index.html 如果觉得《饮用水中的微塑料：健康威胁的真实情况》对你有帮助，请点赞、收藏，并留下你的观点哦！