Mystery over persistent mercury levels in tuna

Scientists and environmentalists are puzzled by the high levels of mercury found in tuna fish, despite efforts to reduce contamination levels in the ocean.

Mercury is a toxic heavy metal that can have detrimental effects on human health, especially when consumed in large quantities. Tuna, being a top predator in the marine food chain, tends to accumulate higher levels of mercury compared to other fish species.

Despite the implementation of stricter regulations and monitoring of mercury emissions from industrial sources, studies have shown that mercury levels in tuna remain persistently high. This has raised concerns about the sustainability of tuna fisheries and the safety of consuming this popular seafood.

Researchers are now investigating the sources of mercury contamination in tuna, including natural sources such as volcanic activity and human activities such as coal burning and mining. Understanding the root causes of high mercury levels in tuna is crucial for developing effective strategies to mitigate this environmental and health risk.