Exposure to radioactive iodine isotopes can be extremely dangerous. After the catastrophic nuclear accident at Chernobyl, children were developing thyroid cancer from consuming locally produced milk.

"Exposure to isotopes of iodine give the thyroid more than 1,000 times the average dose to the rest of the body." It is thought that as many as five million people were exposed to some sort of health ...

This process enables the radiation emitted by the radioactive isotopes to destroy harmful growths. Other elements which do not become concentrated in the body as iodine does, may be used in ...