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Four defectors from Kilju county in North Korean have shown signs of radiation exposure:
At least four defectors from North Korea have shown signs of radiation exposure, the South Korean government said on Wednesday, although researchers could not confirm if they were was related to Pyongyang's nuclear weapons program.
The four are among 30 former residents of Kilju county, an area in North Korea that includes the nuclear test site Punggye-ri, who have been examined by the South Korean government since October, a month after the North conducted its sixth and most powerful nuclear test, Unification Ministry spokesman Baik Tae-hyun told a news briefing.
They were exposed to radiation between May 2009 and January 2013, and all defected to the South before the most recent test, a researcher at the Korea Atomic Energy Research Institute, which carried out the examinations, told reporters. [...] The researcher cautioned that there were a number of ways people may be exposed to radiation, and that none of the defectors who [...] had lived in Punggye-ri itself showed specific symptoms.
(Score: 1) by khallow on Friday December 29 2017, @02:18AM
But things are different, if you've ingested one of a number of isotopes like tritium or strontium 90 that are readily absorbed by the body. For the two I just mentioned, tritium mostly flushes quickly out of the human body, though some will bind to longer lasting molecules in the body. Strontium is chemically similar to calcium and will bind permanently to bone tissue.