Detection of risk of leukemia due to low dose radiation

The Japanese Times reported a recent US study that prolonged low-level radiation exposure was associated with a significant increase in the risk of leukemia (leukemia), or leukemia.

The study, published on November 8, in the journal Environmental Health Perspectives, was conducted based on survey data on about 110,000 workers involved in cleaning up after the Chernobyl atomic disaster in Ukraine in 1986.

Scientists at the University of California, San Francisco, the US National Cancer Institute and the National Center for Radiation Health Research in Ukraine participated in the study.

Scientists conducted a health survey of 110,645 workers who took part in cleaning at Chernobyl from the time of the disaster to 2006.

Among these workers, 137 had leukemia, of which 79 were chronic.

Of the participants, 87% were exposed to cumulative radiation doses below 200 milisievert (mSv) while 78% were exposed to less than 100mSv.

This suggests that the health impact of subjects exposed to low doses of radiation is not to be taken lightly.

After statistics removed genetic factors and other effects that could cause blood cancer, the study estimated approximately 16% of all cases of blood cancer were diagnosed within This 20-year study period can be determined by exposure to radiation from the Chernobyl disaster.

This team concludes that the above finding is statistically consistent with calculations for survivors of the atomic bombing in Japan.

Scientists say these findings are also useful in assessing the effects of radiation exposure in medical devices.

In the fuel melting incident at the Fukushima 1 Nuclear Power Plant of Tokyo Electric Power Company (TEPCO) starting March 11, 2011, the maximum radiation exposure threshold is allowed for house operators. Temporary machines are raised to 250mSv / year compared to the previous 100 mSv / year.

Principal of Kyoto Medical University and a radiation safety specialist, Keigo Endo, said previous data showed an increased risk of leukemia with people exposed to accumulated radiation doses. It is about 120mSv low and emphasizes the need for long-term research on this issue.