Tuna Surprise: Mercury in School Lunches

Canned tuna is the largest source of methylmercury in the U.S. diet, contributing 32 percent of the total, and is a major source of mercury exposure for Children.  Canned tuna is also a staple of the federally supported school lunch program, which each day serves 31.3 million of the nation’s 55 million K-12 student…

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