(Learn how mercury gets into fish.) Though the agencies say consumers ... To make decisions easier for consumers, our chart below gives advice about good low-mercury choices.

At this point, it's well known that every fish contains at least a tiny amount of toxic mercury, or methylmercury to be specific. Even though mercury can be produced naturally, the high mercury ...

But in recent years, naysayers have pointed out one big problem with fish: mercury. A liquid metal, mercury is found in Earth's crust, where it clings to rocks and coal. Naturally occurring events ...

Although she knows it's full of nutrients -- including good-for-your-heart omega-3 fatty acids -- she's careful of the types of fish she brings home. Her concern? Mercury and the dangers it poses ...