Fish contains beneficial nutrients such as docosahexaenoic acid (DHA) that promote healthy brain development in the fetus. However, unfortunately most fish contain mercury. This poses a dilemma for pregnant women because mercury is a toxic metal pollutant that causes neurological and other health problems. The toxicity of inorganic mercury pollution is magnified in the environment because bacteria biotransform it into highly toxic methylmercury. Children who are exposed prenatally to methylmercury are especially vulnerable to the chemical’s neurotoxic effects.
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