[ RadSafe ] Increase in cancer in Sweden can be traced to Chernobyl
jim_hoerner at hotmail.com
Thu May 31 19:54:25 CDT 2007
Increase in cancer in Sweden can be traced to Chernobyl
The incidence of cancer in northern Sweden increased following the accident
at the nuclear power plant in Chernobyl in 1986. This was the finding of a
much-debated study from Linköping University in Sweden from 2004.
Was the increase in cancer caused by the radioactive fallout from Chernobyl
or could it be explained by other circumstances? New research from Linköping
University provides scientific support for the Chernobyl connection.
This issue is important because the indicated increased risk may come to
influence the prevailing exposure limits for the population. Enhanced
knowledge of the risks entailed by radioactive radiation is key to work for
radiation safety and makes it possible to prevent diseases, says Martin
Tondel, a physician and researcher in environmental medicine who will soon
be defending his doctoral dissertation Malignancies in Sweden after the
Chernobyl Accident in 1986.
In two studies using different methods, Martin Tondel has shown a small but
statistically significant increase in the incidence of cancer in northern
Sweden, where the fallout of radioactive cesium 137 was at its most intense.
The cancer risk increased with rising fallout intensity: up to a 20-percent
increase in the highest of six categories. This means that 3.8 percent of
the cancer cases up to 1999 can be ascribed to the fallout. This increased
risk, in turn, is 26 times higher than the latest risk estimate for the
survivors of the atom bombs in Hiroshima and Nagasaki, whose exposure was
many times higher.
[This is not credible, IMO. Someone needs to scrutinize this work, please.
The increase in Tondels studies came a remarkably short time after the
disaster, since it is usually assumed that it takes decades for cancer to
develop. The dissertation discusses the interpretation of the research
findings from the perspective of the theory of science.
The conclusion is that there is scientific support for a connection between
the radioactive fallout and the increase in the number of cancer cases.
[That IS credible. - JH]
Source: Linköping University
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