2. Is all radiation harmful?
• The answer is No.
• There are two types of radiation, non-ionizing
and ionizing.
• Non-ionizing radiation, like radio waves, it
doesn’t break chemical bonds.
• Ionizing radiation is very dangerous. It does
break chemical bonds.
3. What happens when exposed to
ionizing radiation ?
• Include nausea and fatigue, then vomiting.
• After that, hair loss and diarrhea.
• Next, generally destruction of the intestinal
lining and worse diarrhea and dehydration.
4. How does radiation released from nuclear
plants compare with a nuclear bomb?
• The blast itself produces X-rays and gamma
rays.
• It also produces clouds of radioactive ash.
5. What makes cesium-137 and iodine-
131 dangerous?
• Iodine-131 is absorbed preferentially in the
thyroid gland.
• It has most dangerous to children because it
damages are rapidly dividing cells.
6. How much exposure is enough to
make someone sick?
• An exposure of 500,000 microsieverts to lead
nausea and fatigue within hours.
• A 750,000 microsieverts causes hair loss
within two or three weeks.
• A million microsieverts is lead to homorrhage.
• A 4 million microsieverts usually occurs to
death.
7. What were the health consequences
of Chernobyl and Three Mile Island?
• Fewer than 50 people had died of causes
directly to radiation exposure.
• 28 dies within the first few months.
• A 2005 report said that, about 4000 people
are expected to die of radiation related.
