Is Tuna Healthy to Eat Every Day?


Quick Answer

The National Resources Defense Council, the U.S. Food and Drug Administration and the American Pregnancy Association all caution against eating tuna daily. Tuna's high mercury content makes it unhealthy to eat every day.

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Full Answer

Mercury levels vary depending on the type of tuna. Tuna steaks, particularly bigeye and ahi, have the highest concentration of mercury and thus are the most dangerous to eat. Light tuna has the lowest mercury concentration, with albacore tuna falling in between the two. The U.S. government recommends reduced consumption by women who are pregnant or nursing or who may become pregnant.

The amount of tuna a person should consume depends on his weight; for example, the National Resources Defense Council recommends a person who weighs 130 pounds wait at least four days between servings of light tuna.

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