Study Finds Increased Risks Of Leukemia Among Chernobyl Cleanup Workers
Workers who helped clean up after the 1986 Chernobyl nuclear power plant accident in Ukraine share a significant increased risk of developing leukemia, a study has claimed.
In a Journal, Environmental Health Perspectives, an international team led by scientists at the University of California, San Francisco (UCSF) and the Chernobyl Research Unit at the Radiation Epidemiology Branch of the National Cancer Institute describes the increased risks of leukemia among these workers between 1986 and 2006.
The risk included a greater-than-expected number of cases of chronic lymphocytic leukemia, which many experts did not consider to be associated with radiation exposure in the past.
The new study, including 110,645 workers, is the largest and longest study to date involving Chernobyl cleanup workers who worked at or near the nuclear complex in the aftermath of the accident.
The team of scientists found that overall, there were 137 cases of leukemia among the workers over the 20-year span of the study, and 16 percent of those cancers were attributable to the Chernobyl radiation exposure.
The findings shed light on the thorny issue of estimating cancer risk from low doses of radiation.
It is an issue of importance to miners, nuclear workers and anyone who is chronically exposed to low levels of radiation at work or patients who receive sizeable radiation doses when undergoing medical diagnostic tests.
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