据外媒报道，2014年8月《消费者报告》杂志刊登最新研究指出，鱼类含有丰富的蛋白质以及大量有益大脑发育的物质，然而部分鱼种汞含量较高，孕妇群体应谨慎食用，另外还推荐了鱼的建议摄入量。
研究指出，吃错鱼会使人暴露于高浓度汞的风险加大。研究还介绍了不同鱼种对应的汞含量，以及建议的摄入量。
消费者报告建议，孕妇应避免食用任何金枪鱼，包含金枪鱼罐头；不再建议育龄妇女每周吃6 盎司白金枪鱼罐头；将每天食用多余 24 盎司鱼的人划为易受伤害的群体，为他们提供建议避免汞过量。
部分原文报道如下：
When you grill a piece of salmon or have a fish taco for lunch, you're getting a good source of high-protein food that provides important nutrients. And if you're a woman who is pregnant or nursing, that fish contains important fuel for your baby's brain development.
In fact, fish is seen as such a beneficial food that the Food and Drug Administration and Environmental Protection Agency recently came out with proposed new guidelines recommending that women of childbearing age and young children eat more of it. But if Americans follow those guidelines without careful attention to which species they are consuming, they could end up taking in too much mercury.
原文链接：http://www.consumerreports.org/cro/magazine/2014/10/can-eating-the-wrong-fish-put-you-at-higher-risk-for-mercury-exposure/index.htm
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