Today: 15.Feb.2019

James Conca - A very big report came out last month with very little fanfare. It concluded what we in nuclear science have been saying for decades – radiation doses less than about 10 rem (0.1 Sv) are no big deal. The linear no-threshold dose hypothesis (LNT) does not apply to doses less than 10 rem (0.1 Sv), which is the region encompassing background levels around the world, and is the region of most importance to nuclear energy, most medical procedures and most areas affected by accidents like Fukushima.

Published in Low Dose Radiation

Mohn Doss, Medical Physicist in Diagnostic Imaging. Research on Health Effects of Low Dose Radiation Specialties - When the effect of adaptive response is included, there is no linear increase in final total damage with dose for low doses, and no reason to even propose the LNT hypothesis..

Published in Low Dose Radiation

Mohan Doss.Medical Physics, Vol. 40, No. 3, March 2013 In summary, the two observations, (i) the ultimately counter-productive effect of some antiangiogenesis therapies because of ignoring adaptive response of tumor cells, and (ii) the effectiveness of incidental adaptive response (enhanced immune response due to low dose radiation to parts of the body) in eliminating untreated lesions at sites away from the high dose radiation-treated tumors, demonstrate the potential importance of considering adaptive response when estimating biological effects from external agents such as radiation.

Published in Low Dose Radiation

The linear no-threshold (LNT) model of ionizing-radiation-induced cancer is based on the assumption that every radiation dose increment constitutes increased cancer risk for humans. The risk is hypothesized to increase linearly as the total dose increases. While this model is the basis for radiation safety regulations, its scientific validity has been questioned and debated for many decades. The recent memorandum of the International Commission on Radiological Protection admits that the LNT-model predictions at low doses are “speculative, unproven, undetectable and ‘phantom’.” The authors have made this report available at (http://www.pubfacts.com/author/Brant+Ulsh)

Published in Low Dose Radiation

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