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Attributability of health effects at low radiation doses

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  • dosis de radiación
  • irradiacion a bajas dosis
  • salud (publica)
  • tasas de dosis







ARN (Argentina)


González, A.J.


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A controversy still persists on whether health effects can be alleged from

radiation exposure situations involving low radiation doses (e.g. below the international

dose limits for the public). Arguments have evolved around the validity of the doseresponse representation that is internationally used for radiation protection purposes,

namely the so-called linear-non-threshold (LNT) model. The debate has been masked

by the intrinsic randomness of radiation interaction at the cellular level and also by gaps

in the relevant scientific knowledge on the development and expression of health effects.

There has also been a vague use, abuse, and misuse of radiation-related risk concepts and quantities and their associated uncertainties. As a result, there is some ambiguity in the interpretation of the phenomena and a general lack of awareness of the implications for a number of risk-causation qualities, namely its attributes and characteristics. In particular, the LNT model has been used not only for protection purposes but also for blindly attributing actual effects to specific exposure situations. The latter has been discouraged as being a misuse of the model, but the supposed incorrectness has not

been clearly proven. 12th International Congress of the International Radiation Protection Association. Buenos Aires, Argentina, 19-24 octubre 2008.