Mercury is extraordinarily toxic, but it becomes especially dangerous when transformed into methylmercury—a form so harmful that just a few billionths of a gram can cause severe and lasting ...

Humans are exposed to more mercury from eating fish, marine mammals, and crustaceans than from any other source, according to the Food & Drug Administration and the Environmental Protection Agency.

Many species of fish — several of which end up on our plates — are displaying increasing levels of methylmercury, a very toxic substance. Why is this happening? Researchers from Harvard University ...

Scientists have long warned us that some salt-water fish, such as swordfish and tuna, contain high levels of the toxin methylmercury. Luckily for trout connoisseurs, most freshwater fish do not have ...

Methylmercury is one of the chemicals that poses the greatest threat to global public health. People ingest methylmercury by eating fish, but how does the mercury end up in the fish? A new study shows ...

There's mixed messaging emerging from the debate over methylmercury contamination in Labrador, with a U.S. researcher again raising the alarm about the toxic organic compound, while a contractor ...

A 47-year-old California woman has been in a semi-comatose state for weeks after using a Ponds-labeled skin cream tainted with methylmercury. It is the first reported case of methylmercury poisoning ...

Mercury hidden underground is leaking into Spain's Mar Menor lagoon, threatening fish, ecosystems, and coastal communities.

Fish and shellfish are an important part of a healthy diet. Fish and shellfish contain high-quality protein and other essential nutrients, are low in saturated fat, and contain omega-3 fatty acids. A ...