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On the half shell

Posted by Mimo on February 25, 2008 at 16:07:

I was reading this article when I came upon an interesting saying which I can not find on this site... "Ironically, the best dietary source of zinc - oysters - is also a source of cadmium. But you also get vitamin D and omega-3 fatty acids from oysters, so you probably come out on the plus side with a dozen on the half shell."

Anyone have an idea what that means?