People who survived the atomic bombings of Hiroshima and
Nagasaki as children continue to have a higher-than-normal risk of thyroid
cancer more than 50 years after radiation exposure, according to a US
Thyroid cells are particularly vulnerable to ionizing radiation,
the kind produced by the Chernobyl nuclear meltdown or the atomic bombings in
The study published in the International Journal of Cancer tracked
new cancer diagnoses in people who were in Japan during the bombings in 1945 and
those who were not.
In total, there were 371 thyroid cancers diagnosed
between 1958 and 2005 in about 105,000 atomic bomb survivors.