Pregnant women should be careful when eating canned tuna.

Canned tuna is said to contain a lot of mercury, which damages nerve cells and should be limited in consumption by pregnant women.

Nutritionists agree that fish is a source of protein and healthy fats, but this food also has a downside because fish are easily contaminated with mercury from polluted water. Recently, the US Environmental Working Group (EWG) listed canned tuna as a food containing a lot of mercury, which damages nerve cells, especially harmful to pregnant women, Health reported.

Canned tuna is said to contain too much mercury, which is not good for pregnant women. Photo: Health.

"It is a mistake to think that canned tuna is a low-mercury product that pregnant women should eat,"Instead, women should choosesalmon, anchovies, herring, oysters.Mercury takes several months to disappear from the body, so doctors usually advise women to limit eating fish high in mercury at least 6 months before becoming pregnant.

The EWG's findings were met with strong opposition from the US National Fisheries Institute. A spokesperson for the Food and Drug Administration (FDA) said it would update its health guidance after receiving feedback from 200 people. Meanwhile, mSome doctors say that pregnant women should not simply be advised to eat a lot of fish, but that people need to be aware of the benefits and risks of each type of seafood.

According to VNE