Research Article Summary
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The commentary evaluates criticisms of prevailing radiation risk models — particularly the linear no-threshold (LNT) model — and their influence on public perception and policy following major nuclear incidents.
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It highlights how radiation phobia — fear of low-dose ionizing radiation — has contributed to societal harms, including unnecessary evacuations, psychosocial impacts, and excessive regulatory caution.
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The review contextualizes radiation exposure by contrasting natural background radiation and biological adaptive mechanisms with extreme fear-based interpretations of risk, noting that many organisms have evolved under significantly higher natural radiation conditions.
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Evidence is discussed indicating that public fear of radiation, often grounded in straightforward LNT extrapolation, can lead to health, economic, and social consequences that exceed the direct physical effects of radiation itself.
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The article calls for more evidence-based risk assessment frameworks that recognize biological repair processes and hormetic responses at low dose levels, and for communication strategies that reduce unwarranted radiophobia.