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
Yeongjo of Joseon and he was able to stay alive. Afterwards, he told his half-brother the king that he rather would go and live as a commoner. On 11 October 1724, King Gyeongjong died. Soron then accused Prince Yeoning of having something to do with his brother's death due to the earlier attempt by the Noron faction to have him replace Gyeongjong on the throne. But historians now agree that he could have died of eating contaminated seafood, as to the symptoms of the illness that caused his death. Homer Hulbert described this in his book "The History of Korea" where he said,