#Mercury

Tinned fish—once the mundane fare of convenience stores and hurried home-cooked meals—has recently undergone a dramatic repositioning in the world of food trends. Spurred by aesthetically pleasing packaging, ethical sourcing claims, and a surge of TikTok influencer endorsements, tinned fish is now being lauded as both chic and healthy, with a 91% increase in popularity on social media platforms in the last year alone, according to consumer data from Spate (Vogue). As Thai consumers become increasingly attuned to global health trends, the tinned fish phenomenon raises a pertinent question: How healthy are these shelf-stable seafoods, and how should they fit into the Thai diet?

A new wave of scientific research and expert consensus is helping consumers make smarter choices about the healthiest seafood to put on their plates. Studies highlighted in a recent report by The Washington Post underscore that seafood is a nutritional powerhouse, essential for brain, eye, and heart health—an insight that holds growing resonance for Thai consumers as dietary patterns shift in a rapidly modernizing food landscape (Washington Post).

Thai seafood lovers may feel at home with the ocean’s bounty, but health experts urge careful selection to maximize benefits and minimize risks, especially regarding mercury and sustainability. The report indicates that regular seafood consumption is critical: meta-analyses cited found that eating more fish is strongly linked to reduced risk of heart disease and premature death. For instance, a 2020 meta-analysis covering over 900,000 people revealed a consistent association between higher fish consumption and lower cardiovascular disease risk. Another meta-study of around 670,000 individuals found that just half a serving of fish per day cut early mortality rates by 12%. Such compelling results led the American Heart Association to declare that one to two servings of seafood weekly can sharply reduce risks of heart disease, stroke, and sudden cardiac death, particularly when such meals replace less healthy meat choices.

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.