Radiation effects on humans

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Radiation effects on humans

  1. 1. Radiation effects on humans● Units of Measurement● Effects of radiation and Human health (1)● Effects of radiation and Human health (2)● Hiroshima and Nagasaki● Three Mile Island● Chernobyl● Medical Treatment S1180109 Syun Nabeshima
  2. 2. Units of Measurement● The unit to measure radiation is rem, which stands for Roentgen Equivalent in Man.● It represents the amount of radiation needed to amount of damage to human body.
  3. 3. Effects of radiation and Human health (1)● 25 rems causes a little change in the blood.● About 100 rems causes some sight of radiation sickness. For example, nausea, vomiting, headache, some loss of white blood cells.
  4. 4. Effects of radiation and Human health (2)● 300 rems causes the serious loss of white blood cells.● Half of all people who are exposed in 450 rems die.● All people who are exposed in more 800 rems die.
  5. 5. Hiroshima and Nagasaki● A lot of people in Hiroshima or Nagasaki is killed by explosion of nuclear bomb.● Many people died by effects of radiation after 7 to 10 days of explosion of nuclear bomb.● People have died since explosion of nuclear bomb by effects of radiation.
  6. 6. Three Mile Island● In 1979, the coolant of three mile island nuclear plants is discharged outside.● In this accident, some radiation did not give out in the atmosphere, and there were no people who injured.
  7. 7. Chernobyl● In 1986, A accident of explosion happened at Chernobyl nuclear plants.● About 16000 people died by radiation of this accident.
  8. 8. Medical Treatment● There is no medical treatment for radiation in the human body.● However, a lot of people are saved by blood transfusions and bone-marrow transplants

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