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Our Preferred Poison

机译：我们的首选毒药

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Often referred to as quicksilver, mercury is the only common metal that is liquid at room temperature. Alchemists, including the young Sir Isaac Newton, believed it was the source of gold. In the modern era, it became a common ingredient of paints, diuretics, pesticides, batteries, fluorescent lightbulbs, skin creams, antifungal agents, vaccines for children, and of course, thermometers. There is probably some in your mouth right now: So-called silver dental fillings are half mercury. Mercury is also a by-product of many industrial processes. In the United States coal-fired power plants alone pump about 50 tons of it into the air each year. That mercury rains out of the sky into oceans, lakes, rivers, and streams, where it becomes concentrated in the flesh of fish, shellfish, seals, and whales. Last year the Food and Drug Administration determined there is so much mercury in the sea that women of childbearing age should severely limit their consumption of larger ocean fish. The warning comes too late for many mothers. A nationwide survey by the Centers for Disease Control shows that one in 12 women of childbearing age already have unsafe blood levels of mercury and that as many as 600,000 babies in the United States could be at risk. But that begs a critical question: At risk for what?
机译：汞通常被称为水银，是室温下唯一呈液态的常见金属。包括年轻的艾萨克·牛顿爵士在内的炼金术士都认为这是黄金的来源。在现代时代，它已成为油漆，利尿剂，农药，电池，荧光灯泡，护肤霜，抗真菌剂，儿童疫苗以及温度计的常用成分。现在您的嘴里可能有些东西：所谓的银牙填充物是一半的汞。汞也是许多工业过程的副产品。仅在美国，燃煤发电厂每年就将约50吨的煤抽到空中。汞从天上掉落到海洋，湖泊，河流和溪流中，并在那里集中于鱼，贝类，海豹和鲸鱼的肉中。去年，美国食品和药物管理局（FDA）确定海洋中的汞过多，育龄妇女应严格限制她们食用较大的海鱼。对于许多母亲来说，警告来得太迟了。疾病控制中心的一项全国调查显示，每12个育龄妇女中就有不安全的血液中汞含量，在美国，可能有多达600,000个婴儿处于危险之中。但这提出了一个关键问题：面临什么风险？

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