帮忙看一段话，谢谢
A call for annual collection of chemical contaminant occurrence data in food and feed, including mercury, was issued by EFSA in December 2010. Subsequent data analysed from food samples covering all food types indicated that mercury levels were highest in fish and seafood. A call for annual collection of chemical contaminant occurrence data in food and feed这句怎么翻译？
答：我们都喜欢自己被需要的感觉，但是新的研究表明，生活有目的感对我们的健康也有裨益。在一项对7000人进行的研究中，有70%以上对生活有强烈方向感的人，患中风的可能...详情>>
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