The Origin of Nuclear Radiation Food: Nuclear Pollution
Nuclear pollution mainly refers to the environmental damage caused by the remnants of nuclear materials, including nuclear radiation, atomic dust and other pollution caused by itself, as well as secondary pollution caused by the pollution of these substances to the environment, such as nuclear Material pollution of water and other human and animal injuries.
People usually use the “equivalent dose†to reflect the magnitude of the ionizing radiation energy of biological effects caused by biological tissues being irradiated by different radiation. The international standard unit of "equivalent dose" is "Sevre", which absorbs 1 Joule of energy per kilogram of human tissue to 1 Sev. In simple terms, this number can be used to measure the damage that radiation can cause to the body. However, this unit is very large, so people usually use millisieverts and micro-silver. 1 Sev equals 1000 millisieverts; 1 millisievert equals 1000 microsieverts.
Japanese Nuclear Radiation Food Cause: Fukushima Nuclear Accident
Japan's nuclear radiation foods caused nuclear pollution in the surrounding areas caused by a nuclear accident at the Fukushima nuclear power plant in Japan in 2011. Due to concern that the food chain (specialty as seafood products) is contaminated by radioactive substances, in the long run, it will increase the risk of cancer to consumers. Hong Kong and Taiwan) prohibit the import and supply of all fruits and vegetables, milk, milk beverages, and powdered milk in five Japanese counties (including Fukushima, Ibaraki, Tochigi, Chiba, and Gunma). In addition, the order also prohibits the import and supply of frozen or frozen game, meat, poultry and eggs, as well as live, frozen or frozen aquatic products.
The nuclear radiation food mainly refers to the leakage of radionuclides that are deposited on the surface of food or present in food. Among them, radioactive iodine (Iodine-131) and radioactive cesium (Iridium-134 and Iridium-137), which affect human health, are mainly radioactive. The half-life of iodine is only 8 days, while the half-lives of 铯-134 and 铯137 are 2 and 30 years, respectively. These three substances are artificially produced fission products that do not naturally exist in food.
Radioactive iodine accumulates in the thyroid through the food chain, increasing the risk of developing thyroid cancer, especially in children. Radioactive cesium is evenly distributed in muscle and other human soft tissues, increasing the risk of cancer.
How is nuclear radiation food contaminated?
How is food contaminated? After a nuclear accident, radioactive materials will drift with the wind. As rainwater is deposited on plants, soil and water, animals and plants may be only surface pollution at the beginning of a nuclear accident, and then may be breathed, ingested or eaten by nuclear radiation. Nutrients cause a large amount of nuclear radiation to accumulate in the body. Human consumption of these radiation-contaminated plants and animals will be affected by radiation.
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