However nearly all fish and shellfish contain traces of mercury a toxic metal and some seafood contains other contaminants known as persistent organic pollutants pops.
Fish that don t contain mercury.
Opt for organic farm raised seafood that contains lesser amounts of mercury such as wild alaskan salmon eel crab shrimp and catfish.
Remember the younger and smaller the fish the safer since the amount of mercury increases every time a larger fish eats a small fish.
Food processing preparation and cooking techniques don t significantly reduce the amount of mercury in fish.
As small fish are eaten by larger fish up the food chain concentrations of mercury and pops increase so that large predatory deep ocean fish tend to contain the highest.
Fish is one of the healthiest foods you can eat.
It binds to a person s tissue proteins such as muscle.
Fish and shellfish concentrate mercury in their bodies often in the form of methylmercury a highly toxic organomercury compound.
Fish take up mercury from streams and oceans as they feed.
That s because it s a great source of protein micronutrients and healthy fats.
This mercury is in the more toxic methylmercury form.
These figures are measured in micrograms of mercury per 4 ounces of.
However some types of fish can contain high levels of mercury.