To make decisions easier for consumers, our chart below gives advice about ... potentially harmful effects of methylmercury in fish." Mercury levels in the northern Pacific Ocean have risen ...

These are the popular fish with the lowest and highest mercury levels. Read more: 10 Weeknight Meals To Make With A ...

Even though mercury can be produced naturally, the high mercury levels in fish are a modern problem resulting from man-made pollution. Industrial activities like mining and coal-burning power ...