Canned Tuna: Safe Limits and Risks

The article discusses the safety of consuming canned tuna in terms of mercury levels. It clarifies that most canned tuna varieties contain low amounts of mercury compared to larger, predatory fish that live longer, such as swordfish and sharks. According to Australian and New Zealand standards, eating two to three cans of tuna per week generally does not pose a health risk to adults, as this amount is less than 40% of the weekly permissible limit. However, for children and pregnant women, monitoring intake is important, as consuming a single can could approach a significant portion of the allowed limit. Moderate consumption of tuna does not cause toxic symptoms, but continuous exposure to high mercury levels can lead to health issues such as muscle and memory problems. It is recommended to diversify protein sources and include tuna as part of a balanced diet, paying attention to portion sizes, especially for pregnant women and children.

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