INTRODUCTION
As is generally known, at Semipalatinsk Nuclear Tests
Site (SNTS) in the republic of Kazakhstan, 456 nuclear tests
were carried out from 1949 to 1989, including 111 atmospheric
explosions between 1949 and 1963.1) Because of
those tests, according to the Kazakh government, approximately
1.6 million people suffered from the tests, and about
1.2 million people are still now troubled with the aftereffects.2)
Our research team at the Research Institute for Radiation
Biology and Medicine, Hiroshima University started questionnaire
survey near the SNTS in 2002. The survey ques