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  1. 1. Radiation Effects on Humans s1180195 Takamasa Hirasawa  
  2. 2. Units of Measurement The unit used to measure radiation dosage is the rem, which stands for roentgen equivalent in man.
  3. 3. Effects of Radiation Exposure on Human Health Doses above 100 rems cause the first signs of radiation sickness including:   nausea vomiting headache
  4. 4. Major Radiation Exposure in Real Life Events Hiroshima and Nagasaki(1) Many people at Hiroshima and Nagasaki died not directly from the actual explosion, but from the radiation released as a result of the explosion.
  5. 5. Major Radiation Exposure in Real Life Events Hiroshima and Nagasaki(2) At Hiroshima and Nagasaki, the few surviving doctors observed symptoms of radiation sickness for the first time.
  6. 6. Three Mile Island The loss of coolant at the reactor continued for some 16 hours.
  7. 7. Chernobyl Although the problem at Chernobyl was relatively complex, it can basically be summarized as a mismanaged electrical engineering experiment which resulted in the reactor exploding.
  8. 8. Medical Treatment There is currently no effective medical treatment available for potentially fatal radiation doses.

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