Eating Fish While Pregnant -- Worth a New Look?

In babies of women who consumed a lot of fish while pregnant, the benefits of n-3 polyunsaturated fatty acids in the fish outweighed the potential adverse effects of mercury exposure, a study found. At 20 months, the babies of women in the highest tertile for blood levels of n-3 polyunsaturated fatty acids (PUFAs) -- and the greatest mercury exposure -- showed improved performance on the Psychomotor Developmental Index (PDI), a test of motor skills such as grasping and rolling over that...

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