Other Conditions
According to Kenneth Mossman, a Professor of Health Physics and member of the U.S. Nuclear Regulatory Commission advisory committee, the "LNT philosophy is overly conservative, and low-level radiation may be less dangerous than commonly believed". Yoshihisa Matsumoto, a radiation biologist at the Tokyo Institute of Technology, cites laboratory experiments on animals to suggest there must be a threshold dose below which DNA repair mechanisms can completely repair any radiation damage. Mossman suggests that the proponents of the current model believe that being conservative is justified due to the uncertainties surrounding low level doses and it is better to have a "prudent public health policy".
Another significant issue is establishing consistent data on which to base the analysis of the impact of the Chernobyl accident. Since 1991 large social and political changes have occurred within the affected regions and these changes have had significant impact on the administration of health care, on socio-economic stability, and the manner in which statistical data is collected. Ronald Chesser, a radiation biologist at Texas Tech University, says that "the subsequent Soviet collapse, scarce funding, imprecise dosimetry, and difficulties tracking people over the years have limited the number of studies and their reliability."
Read more about this topic: Chernobyl
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