PMID: 9547494Apr 21, 1998Paper

The linear no-threshold debate: where do we go from here?

Medical Physics
K L Mossman

Abstract

For the past several years, the LNT (linear no-threshold) theory has come under attack within the scientific community. Analysis of a number of epidemiological studies of the Japanese survivors of the atomic bombings and workers exposed to low level radiation suggest that the LNT philosophy is overly conservative, and low-level radiation may be less dangerous than commonly believed. Proponents of current standards argue that risk conservatism is justified because low level risks remain uncertain and it is prudent public health policy; LNT opponents maintain that regulatory compliance costs are excessive, and there is now substantial scientific information arguing against the LNT model. Regulators use the LNT theory in the standards setting process to predict numbers of cancers due to exposure to low level radiation because direct observations of radiation-induced cancers in populations exposed to low level radiation are difficult. The LNT model is simplistic and provides a conservative estimate of risk. Abandoning the LNT philosophy and relaxing regulations would have enormous economic implications. However, alternative models to predict risk at low dose are as difficult to justify as the LNT model. Perhaps exposure limits shou...Continue Reading

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Citations

Oct 11, 2007·Pediatric Radiology·Lise Jofrid HolmedalKaren Rosendahl
Jan 21, 2009·International Journal of Legal Medicine·F RamsthalerM A Verhoff
Jan 5, 2002·The Science of the Total Environment·Y T LeeW J Chen
Feb 24, 2001·Health Physics·K L Mossman
Jun 24, 2003·Occupational and Environmental Medicine·A Silva-MatoM Viana
Oct 24, 2001·Environmental Health Perspectives·C de Brouwer, R Lagasse
Jan 8, 2003·Environmental Health Perspectives·Kenneth L Mossman
Dec 4, 2013·Dose-response : a Publication of International Hormesis Society·Mohan Doss
Aug 16, 2001·Critical Reviews in Toxicology·A C Upton
Aug 10, 2000·Radiation Research·D A Pierce, D L Preston

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