Common Causes Of Mercury Contamination

Overconsumption Of Seafood

The biggest source of mercury contamination is found in the consumption of seafood. There is some concern the overconsumption of seafood can expose individuals to toxic levels of the metal. However, most medical professionals believe the heart benefits of the omega-3 fatty acids found in seafood outweigh the risk of mercury exposure. There are guidelines recommended for pregnant or nursing women and small children to avoid mercury contamination. For these groups, seafood consumption should be limited to two six-ounce portions per week. The highest levels of mercury are found in larger fish, especially those in the Gulf of Mexico. Shark, king mackerel, and swordfish from this region should be avoided. Instead, at-risk populations should stick to seafood with lower mercury levels such as shrimp, salmon, and pollock.

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