The food you’re referring to is likely fugu, the Japanese pufferfish. Its liver, ovaries, and sometimes skin contain tetrodotoxin, a potent neurotoxin. Just a tiny amount can be lethal—causing paralysis and death—but specially trained and licensed chefs can prepare it safely.
Despite the risks, fugu remains a delicacy in Japan and other parts of Asia, and people are drawn to it for the thrill and unique taste. The statistics you mentioned—over 200 deaths a year but nearly 500 million consumers—highlight the combination of cultural tradition, careful preparation, and the enduring appeal of risky foods.
If you want, I can break down why it’s so deadly yet so popular, with a look at the toxin mechanism and safety regulations. Do you want me to?