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Possible health effects of nuclear crisis

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  • 1. Possible health effects of nuclear crisis s1180120 Katsuki Yanai
  • 2. Is all radiation harmful?• The answer is No.• There are two types of radiation, non-ionizing and ionizing.• Non-ionizing radiation, like radio waves, it doesn’t break chemical bonds.• Ionizing radiation is very dangerous. It does break chemical bonds.
  • 3. What happens when exposed to ionizing radiation ?• Include nausea and fatigue, then vomiting.• After that, hair loss and diarrhea.• Next, generally destruction of the intestinal lining and worse diarrhea and dehydration.
  • 4. How does radiation released from nuclear plants compare with a nuclear bomb? • The blast itself produces X-rays and gamma rays. • It also produces clouds of radioactive ash.
  • 5. What makes cesium-137 and iodine- 131 dangerous?• Iodine-131 is absorbed preferentially in the thyroid gland.• It has most dangerous to children because it damages are rapidly dividing cells.
  • 6. How much exposure is enough to make someone sick?• An exposure of 500,000 microsieverts to lead nausea and fatigue within hours.• A 750,000 microsieverts causes hair loss within two or three weeks.• A million microsieverts is lead to homorrhage.• A 4 million microsieverts usually occurs to death.
  • 7. What were the health consequences of Chernobyl and Three Mile Island?• Fewer than 50 people had died of causes directly to radiation exposure.• 28 dies within the first few months.• A 2005 report said that, about 4000 people are expected to die of radiation related.
  • 8. Thank you watching