Update on Mercury in Tuna: Mercury cancels brain benefits of fish oil.

Mercury cancels brain benefits of fish oil, study confirms: Prenatal mercury exposure from a mother’s fish-rich diet can reduce the beneficial effects fish oil has on brain development, report an international group of researchers. The babies exposed in the womb to higher methyl mercury levels scored lower on skills tests as infants and toddlers than those exposed to lower levels of the pollutant. Of five nutrients tested, only the benefits of the fish oil DHA were affected by the mercury. DHA is one type of healthy oil found in fish. Careful selection of which fish to eat during pregnancy is recommended following this recent analysis.

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5 thoughts on “Update on Mercury in Tuna: Mercury cancels brain benefits of fish oil.

  1. It was a very good study with good power. This is the advice I keep giving my ANC patients during routine clinic visits. This is a good example where going for an alternative source of Omega-3 and DHA is adviceable for the good of the yet unborn child. Dr Saleh, this is a well researched update!

  2. Interesting study. The study has a high power, as Dr Green mentioned, another reason why adhering to the findings should be adhered to.

  3. Thumb up….let’s play it safe by adopting the precautionary principle. Thanks Jalal for such an incisive update on mercuric contamination and its adverse consequences to the growing foetus.

  4. Doc, the other day my mom and I were pondering about this. I’m going to pass this post along, facebooking it now. Thank you for the excellent post and the happy coincidence. Cheers!

  5. Some species of tuna particularly those that restaurants value for their firmer flesh and appealing look such as bluefin akami have higher mercury levels than other species typically found in grocery stores. Tuna sushi from your local supermarket might have lower mercury..levels and so be safer to eat than sushi from a high-end restaurant………a new study using fish DNA suggests…….The results show that some species of tuna particularly those that restaurants value for their firmer flesh and appealing look such as akami and all bigeye tuna have higher mercury levels than other species typically found in grocery stores…….Overall however all the tuna had pretty high mercury levels. The research could lead to better labelling to help tuna eaters cut down on the amount of mercury they consume something that can have toxic effects the researchers say.

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