1. Nuclear crisis and effect of radiation

3. There are two kinds of radiations. They are non-ionizing and ionizing.

4. Ionizing radiation is especially more danger than non-ionizing.

6. X-rays, gamma rays, alpha particle and beta particle especially have an effect on the human body.

7. However, it is necessary for us to treat cancer.

9. Next, it comes hair loss and diarrhea.

10. When we are heavier exposure, central nervous system of our bodies are broken by radiations. If worst comes to worst, we may die.

13. Half-life of cesium-137 is longer than one of iodine-131.

14. Both of Cesium-137 and iodine-131 are very danger for the human bodies.

16. Cesium-137 pollutes some foods. If people eat these foods, cesium-137 goes everywhere in the human bodies.

17. If these things go in our bodies, we can not clean.

19. There are many kinds of radiations. For example, cesium-137 and iodine-131.

20. We can not clean radiations in our bodies.