Swordfish and most tunas, on the other hand, are a popular menu items and, at least in the United States, sustainably harvested. In addition, according to a study sponsored by the National Oceanic and Atmospheric Administration, the Energy and Environmental Research Center’s Center for Air Toxic Metals, and other government and nongovernment entities, these species also contain more selenium than mercury. This study concludes that other than for young children and pregnant mothers, “there are no recommendations to avoid any ocean fish,” including swordfish and tunas.
This finding was backed by a new study published this month in the American Journal of Clinical Nutrition, stating that most seafood’s benefits outweighed its detriments