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Omega-3 may slow Dementia and Alzheimer's, also helps Fetal Brain Development

Posted Sep 14 2008 6:10pm

It seems that almost weekly, there are new studies showing the benefits of omega-3 essential fatty acids. One recent study, Omega 3 in Fish Diet may slow Dementia and Alzheimer's Disease, said more of the same, but I found the second to last line to be particularly interesting:

Previous studies have shown that mercury has had the opposite effect as omega-3. It may be good idea to stick to fish that have lower levels of mercury.

Wait a second! I didn't think there were any credible scientific studies showing the harmful effects of mercury on neurodevelopment?

Another study, Fish consumption during pregnancy helps fetal brain development, also had more of the same and again mentions mercury:

Researchers found that eating fish during pregnancy was positively associated with enhanced fetal brain development.

It was observed that the more fish the pregnant women ate during the second trimester, the better her six month old performed on a standard mental test.

The test showed that mothers who ate fish raised the baby's score by four points for each weekly serving of fish.

However, the boost of mental capacity did not happen to those mothers who ate the wrong fish. Fish containing high levels of mercury counteract the positive effect of fish and their babies tended to have relatively lower test scores.

The scores for those babies whose mothers ate the mercy-loaded fish went down as the mercury level went up. An increase of one part per million in mercury was associated with a decrement in the mental score of 7.5 points.

The mental scores were highest among infants of women who consumed more than two weekly fish servings but had mercury levels at less than 1.2 parts per million.

Because of this, researchers cautioned that pregnant women should avoid mercury-loaded fish such as those large and long lived fish, which tend to accumulate high levels of mercury and other pollutants.

I found these recent studies to be interesting for a couple of reasons. First, the obvious reason being that mercury is a common topic on my blog, particularly as it relates to the numerous posts about mercury and it's highly plausible association to autism. ( Autism - If not mercury, then what? )

I also found the timing of these to be interesting because Jigsaw Health just announced two new products; Minimal-Mercury Albacore Tuna from Carvalho Fisheries (on average, .15 ppm of mercury) and Essential Omega-3 Fish Oil, which is free of detectable heavy metals and PCBs.

Obviously I'm biased, but I think both of these products are fantastic! Click on the pictures to learn more about them.

Minimal-Mercury Albacore Tuna Essential Omega-3 Fish Oil

Technorati Tags:Health,Mercury,Omega-3,Fish Oil

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