Worried about mercury? It's easy to choose safer fish

We've been told seafood is good for us because it's low in calories and fat, full of protein and packed with Omega-3s, which may protect against coronary heart disease and stroke, and are thought to help neurological development in unborn babies. But we've also been warned about the potentially harmful mercury content in fish. What's with the flip-flop advice?

If you want to include this story in your blog, copy and paste this formatted text: