Food and Behaviour Research

Donate Log In

Mercury in seafood - overview guide on bbc.co.uk

By Dr Radha Modgi

"The fish we eat, such as tuna and salmon, all contain small amounts of mercury – a pollutant that can be highly toxic to our nervous systems. As a medical doctor, I’m conscious about what I eat. And a diet that includes fish comes with some great health benefits. Seafood is a good source of protein and, unlike many meats, it's typically low in saturated fat. It’s also a great source Vitamin D and Omega-3 – a type of fatty acid we can’t live without.

However some fish contain more mercury than others. I want to know how mercury can harm my body and whether I should limit the type and amount of fish I eat."