100个单词介绍一下核辐射的危险，谢谢了！

Radioactive material available through inhalation, skin wounds and gastrointestinal absorption into the body and cause radiation, y radiation to penetrate a certain distance from the absorption by the body, so officers radiation injury. Internal and external irradiation form of radiation sickness symptoms : fatigue, dizziness, insomnia, skin redness, ulcers, bleeding, hair loss, leukemia, vomiting, diarrhea. Sometimes increase cancer, distortion, genetic disease incidence, affecting the health of generations. Generally speaking, the physical energy of radiation to accept more, the more serious the symptoms of radiation sickness, carcinogenic, teratogenic risk greater.