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Radiation paradigm and its shift

T Sugahara1

  • 1Health Research Foundation, Kyoto, Japan.

Journal of Radiation Research
|March 1, 1994
PubMed
Summary
This summary is machine-generated.

The 1950s radiation protection standard shift to a non-threshold model by the International Commission on Radiological Protection (ICRP) had scientifically inappropriate motives. Current low-dose radiation risk controversies suggest a need for a new paradigm in radiation protection.

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Area of Science:

  • Radiation protection science
  • Radiological health
  • Risk assessment

Background:

  • The International Commission on Radiological Protection (ICRP) shifted radiation protection standards in the 1950s from a threshold to a non-threshold model.
  • This paradigm shift was based on motives later found to be scientifically inappropriate.
  • The linear, non-threshold (LNT) model remains the accepted paradigm for radiation risk, particularly for carcinogenesis, despite ongoing controversies.

Purpose of the Study:

  • To critically review the historical paradigm shift in radiation protection standards.
  • To examine the scientific appropriateness of the motives behind the 1950s shift.
  • To stimulate discussion on a potential new paradigm for radiation protection.

Main Methods:

  • Historical review of scientific paradigms in radiation protection.

Related Experiment Videos

  • Critical analysis of the ICRP's 1950s paradigm shift.
  • Examination of controversies surrounding low-dose radiation effects.

    • Main Results:

    • The motives for the 1950s shift to a non-threshold model were scientifically inappropriate.
    • The current LNT model, established in the 1950s, faces significant controversies regarding low-dose radiation effects.
    • These controversies provide grounds for reconsidering the existing radiation protection paradigm.

    Conclusions:

    • The historical shift to a non-threshold model in radiation protection was based on flawed premises.
    • Ongoing scientific debate on low-dose radiation risks indicates the current paradigm may be inadequate.
    • A new paradigm for radiation protection is needed to address current scientific uncertainties and controversies.