[{"data":1,"prerenderedAt":137},["ShallowReactive",2],{"protocol-zh-tap-over-bottled-water":3},{"id":4,"title":5,"body":6,"category":109,"cost":110,"description":12,"effort":111,"evidenceGrade":24,"evidenceType":112,"extension":113,"icon":114,"impact":115,"meta":116,"navigation":117,"order":118,"path":119,"seo":120,"sources":121,"stem":133,"summary":134,"tldr":135,"__hash__":136},"protocols_zh\u002Fzh\u002Fprotocols\u002Ftap-over-bottled-water.md","选择自来水，而非瓶装水",{"type":7,"value":8,"toc":102},"minimark",[9,13,17,45,48,85,88,95],[10,11,12],"p",{},"瓶装水是饮食中塑料颗粒最大的可测量来源之一。换用自来水是目前能做到的、颗粒减少量最可量化的一项改变。暴露量的降低是真实且可测量的，但下游的健康收益尚未得到证实。",[14,15,16],"h2",{"id":16},"具体做法",[18,19,20,32,39],"ul",{},[21,22,23,27,28,31],"li",{},[24,25,26],"strong",{},"日常饮水默认选自来水","，用",[24,29,30],{},"玻璃或不锈钢","水瓶携带，不要用一次性塑料瓶。",[21,33,34,35,38],{},"想要额外保障？",[24,36,37],{},"过滤自来水","。膜过滤或亚微米过滤效果最佳，基础活性炭滤水壶的效果不稳定。",[21,40,41,44],{},[24,42,43],{},"偶尔喝瓶装水不必恐慌","，这是关于日常习惯的调整，而非全面禁止。目前没有证据表明，在当前暴露水平下，瓶装水中的塑料颗粒会造成危害。",[14,46,47],{"id":47},"为什么有效",[18,49,50,61,67,78],{},[21,51,52,53,56,57,60],{},"2024年的一项 PNAS 研究采用新型高分辨率成像方法（受激拉曼散射），发现瓶装水中的塑料颗粒平均约为",[24,54,55],{},"每升 ~240,000 个","（范围 110,000 至 370,000 个），其中约 ",[24,58,59],{},"90% 是纳米塑料","。",[21,62,63,64,60],{},"另一项使用相同方法的对比研究（俄亥俄州立大学）发现，瓶装水中的纳米塑料含量约为",[24,65,66],{},"处理后自来水的 3 倍",[21,68,69,70,73,74,77],{},"在摄入量方面，被引用最多的估算数据显示，饮用瓶装水的人每年额外摄入约 ",[24,71,72],{},"90,000 个颗粒","，而饮用自来水的人约为 ",[24,75,76],{},"4,000 个","（Cox et al. 2019）。这些数字存在较大不确定性，且仅覆盖饮食来源的一部分，应视为数量级参考。",[21,79,80,81,84],{},"关于那个引人注目的数字，需要补充一点背景。~240,000\u002FL 的数值反映的是",[24,82,83],{},"检测技术的进步","：该方法可检测低至 100 nm 的颗粒，因此比旧研究多发现 10 至 100 倍的颗粒。这并不证明瓶装水正在变得更脏。",[14,86,87],{"id":87},"客观说明",[10,89,90,91,94],{},"这是一项",[24,92,93],{},"减少暴露","的措施，并非已证实的健康益处。WHO 的结论是，现有证据不足以证明当前水平下饮用水中的塑料颗粒存在健康风险，但同时指出数据存在明显空白。换用自来水确实能可靠地减少你摄入的塑料颗粒数量，但尚无研究证明这样做能预防任何疾病。",[10,96,97,98,101],{},"此外，这也",[24,99,100],{},"并非放之四海而皆准","。英国的一项研究发现，自来水与瓶装水在微塑料含量上无明显差异。各地自来水水质存在差异，若当地供水在其他污染物指标上检测不佳，瓶装水或过滤水仍可能是合理选择。但总体规律仍支持自来水。",{"title":103,"searchDepth":104,"depth":104,"links":105},"",2,[106,107,108],{"id":16,"depth":104,"text":16},{"id":47,"depth":104,"text":47},{"id":87,"depth":104,"text":87},"Water","free","low","particle","md","lucide:droplet","high",{},true,1,"\u002Fzh\u002Fprotocols\u002Ftap-over-bottled-water",{"title":5,"description":12},[122,126,129],{"title":123,"url":124,"year":125,"type":112},"Rapid single-particle chemical imaging of nanoplastics by SRS microscopy (Qian et al.)","https:\u002F\u002Fwww.pnas.org\u002Fdoi\u002F10.1073\u002Fpnas.2300582121","2024",{"title":127,"url":128,"year":125,"type":112},"Some bottled water worse than tap for microplastics, study shows (Ohio State)","https:\u002F\u002Fnews.osu.edu\u002Fsome-bottled-water-worse-than-tap-for-microplastics-study-shows\u002F",{"title":130,"url":131,"year":132,"type":112},"Human Consumption of Microplastics (Cox et al.), Environ. Sci. Technol.","https:\u002F\u002Fpubs.acs.org\u002Fdoi\u002F10.1021\u002Facs.est.9b01517","2019","zh\u002Fprotocols\u002Ftap-over-bottled-water","从瓶装水换成过滤自来水，可以显著减少你摄入的塑料颗粒，降幅真实可测，但对健康的具体益处尚未得到证实。","日常饮水默认选择过滤自来水，用玻璃杯或钢制水瓶盛装，避免使用一次性瓶装水。","1Fhp8M2SO7QVil-DtEJZxxZ2a6z1Xz1emRhgMPTWa_Y",1780844467936]