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 ...

A panel shows a Japanese dace at the Niigata Minamata Disease Museum in the city of Niigata's Kita Ward, on March 19, 2024. The fish inhabit the Agano River running through Niigata Prefecture.

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 ...

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

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 ...

Researchers calculated mercury flux in Mar Menor in Spain and found that groundwater delivers 2.2 pounds of the contaminant ...

Researchers developed a first-of-its-kind, comprehensive model that simulates how environmental factors, including increasing sea temperatures and overfishing, impact levels of methylmercury in fish.

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 ...

Fish is one of the healthiest foods you can eat. That’s because it’s a great source of protein, micronutrients, and healthy fats. However, some types of fish can contain high levels of mercury, which ...