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Canned tuna remains a staple for many Thai households thanks to its convenience, affordable protein, and long shelf life. Yet new research and consumer alerts have prompted a closer look at daily consumption, especially for pregnant women, children, and others who are more vulnerable to mercury exposure.

The key concern is mercury, a metal that can accumulate in larger tuna species such as albacore (white tuna). Prolonged intake of mercury is linked to nervous system and cardiovascular impacts. Health authorities in the United States emphasize ongoing monitoring of seafood safety and provide guidance on how much tuna is safe to eat. Consumer Reports recently highlighted spikes in mercury levels in some mass-produced tuna cans, prompting renewed caution for tuna lovers everywhere.

As the cost of groceries rises and quick meal options are in high demand, canned tuna remains a popular staple in the pantries of households across the globe—including Thailand. Lauded for its convenience, protein content, and long shelf life, canned tuna often stars in salads, sandwiches, and school lunchboxes. Yet as new research suggests, the decision to make canned tuna a daily habit deserves a closer look, especially for health-conscious Thais and vulnerable groups like children and pregnant women.