Seafood mislabelling is caused by eating certain reef fishes whose flesh is contaminated with toxins. The CDC states the following about Ciguatera: Ciguatera fish poisoning (or ciguatera) is an illness caused by eating fish that contain toxins produced by a marine microalgae called "Gambierdiscus toxicus". People who have ciguatera may experience nausea, vomiting, and neurologic symptoms such as tingling fingers or toes. They also may find that cold things feel hot and hot things feel cold. Ciguatera has no cure. Symptoms usually go away in days or weeks but can last for years. Because the toxins are very heat-resistant, consumers cannot protect
Onsan illness problem. The collective group of symptoms was termed "Onsan illness" as a root cause was initially unknown and later thought to be cadmium poisoning. It is believed that over 500 cases of cadmium poisoning have occurred in Onsan. Comparisons have been drawn with the Itai-itai disease, which caused similar symptoms and was caused by cadmium poisoning from the mining industry in the Toyama prefecture in Japan. The health impact combined with the risk to their livelihoods sparked a grass roots movement supported by the media. While the government maintained their position that poisoning is not the cause of this illness,