1.   Outside, radioactive iodine was regularly released into the atmosphere over the following month.

2.   The radioactive iodine released does not satisfy the second and fourth conditions.

3.   He continued to take daily medication to prevent blood clots and replace the thyroid hormone lost after the gland was destroyed gradually by doses of radioactive iodine.

4.   Radiation levels in North Tyneside showed no significant change following the recent release of radioactive iodine from a Russian nuclear plant, said a council spokesman.

5.   A byproduct of nuclear fission is radioactive iodine, which concentrates in the thyroid gland when humans are exposed to it.

6.   All forms of iodine are quickly taken up by the thyroid gland and radioactive iodine will damage it, with a risk of cancer.

7.   Both radioactive iodine and radioactive palladium seeds are used.

8.   Common postsurgical treatment consists of the administration of radioactive iodine.

9.   Each seed, about half the size of a grain of rice, contains radioactive iodine encapsulated in titanium.

10.   Evans worked with Dr. James Howard Means of Harvard Medical School in finding ways to use radioactive iodine to diagnose and treat hyperactive thyroids.