1. Introduction
Danger in radioactive effect in person

2. What is rem?
Former unit of dose equivalent. One Roentgen
equivalent man hits 0.01 sieverts for the unit of
SI. It is a provisional unit used only for the
radiation protection relation.

3. Effect of radiation exposure
For instance, it dies at nausea, headache, and
the end.

4. Radioactive radiation exposure of
Nagasaki and Hiroshima
A certain man would come off in nine days the hair, bleed in 17
days, and die 21 days later.

5. Accident of Three Mile Island
140,000 people took shelter in this accident. And, the slathers
of money and time were spent. However, the dead were 0
people.

6. Accident of Chernobyl
The nuclear fuel of about 50 tons evaporated, and was
discharged into the atmosphere due to the explosion.

7. About the medical treatment
There is not potential the effective treatment method of that can
be used for fatal doses of radiation now.

8. Conclusion
The power of people died in the accident of the nuclear power
plant. We should prevent these accidents by the medical
treatment in the future and prevention.