
Nearly all fish and shellfish contain traces of mercury. Mercury occurs naturally in the environment, but can also be released into the air through industrial pollution. Mercury falls from the air and can accumulate in streams and oceans and can turn into the type of mercury that can be harmful to an unborn baby or young child. The risk depends on the amount of fish and shellfish eaten and the amount of mercury they contain. Choose varieties of seafood that are higher in omega-3’s and lower in mercury such as salmon, anchovies, herring, sardines, Pacific oysters, trout, and Atlantic and Pacific (not King) mackerel. The Food and Drug Administration (FDA) and the Environmental Protection Agency (EPA) advise women that may be pregnant, pregnant women, nursing mothers and young children to avoid certain types of fish and eat fish and shellfish that are lower in mercury. Women and young children should avoid eating Shark, King Mackerel, or Tilefish because they contain high levels of mercury. The 2010 Dietary Guidelines recommend 8 oz per week of low mercury seafood for adults and up to 12 oz per week for pregnant women. Further references are posted on the Nutrition Links website: http://nutrlinks.cas.psu.edu/
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