消费者被一次次的告知，鱼类是安全的，富含健康的瘦蛋白和脂肪酸，但是这些健康物质能够有中毒危险吗？
Time and time again, consumers are told that fish is a safe, healthy source of lean protein and fatty acids, but do the health benefits outweigh the toxin risk?
这种后期效应应该成为全美每年7千6百万例食物中毒的一部分，虽然无法知晓有多少人会存在这样的危险。
These late effects are believed to make up a very small fraction of the nation's 76 million annual food poisonings, although no one knows just how many people are at risk.
报道了深圳市626名1 -7岁儿童头发中铅的含量，有279名儿童可能有慢性铅中毒的危险，占儿童总数的44.41%。
The content of Pb in 626 children aged 1-7 in Shenzhen city was reported. It showed that there were 279 children with chronic saturnism (taking up 44.41 % of the total).
报道了深圳市626名1 -7岁儿童头发中铅的含量，有279名儿童可能有慢性铅中毒的危险，占儿童总数的44.41%。
The content of Pb in 626 children aged 1-7 in Shenzhen city was reported. It showed that there were 279 children with chronic saturnism (taking up 44.41 % of the total).
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