"Basa fish are farmed along the Mekong River—one of the most polluted rivers in the world. Large manufacturers planted along this river frequently dump extremely toxic and dangerous chemicals and industrial waste directly into it. In June of 2001, the US Food and Drug Administration imposed increased and more thorough testing on Southeast Asian farm-raised seafood including the basa fish after repeatedly discovering fish contaminated with heavy metals and banned antibiotics."
Sources of mercury pollution in our environment are quite numerous these days.
What I find interesting is that many health-conscious people I speak with think that only large ocean fish are to be avoided if mercury is a concern. This article demonstrates the folly of that particular belief.
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