13% of Canadian tuna above mercury limits

A CBC investigation finds that 13% of tuna on shelves (sampled from Vancouver, Winnipeg and Toronto) exceeded Health Canada guidelines for allowable mercury in tuna. On the heels of a recent Lancet study reinforcing the importance of seafood in the diet of pregnant women, this should be another alarm bell for the tuna industry and regulatory agencies: Curtailing mercury pollution of our seas should be a priority.