Review of NCRP Commentary No. 27: Implications of recent epidemiologic studies for the linear-nonthreshold model and radiation protection
Abstract
National Council on Radiation Protection and Measurements 7910 Woodmont Avenue, Suite 400/ Bethesda, Maryland 20814-3095, United States of America NCRP 2018All rights reserved. LCCN 2018013623|ISBN 97819448880 22 (hardcopy) | ISBN 9781944888039 (ebook) In May 2018, the US National Council on Radiation Protection and Measurements (NCRP) published its Commentary No. 27 on the implications of recent epidemiological studies for the linear-nonthreshold (LNT) model and radiation protection. This Commentary was prepared by a specific NCRP Scientific Committee and, after review, approved by the full Council. The purpose was to determine whether these recent studies broadly support the LNT model of carcinogenic risk as used in radiation protection or, on the contrary, whether there is sufficient evidence that the LNT model is inappropriate. The strength of support for the LNT model was evaluated for solid-cancer incidence or mortality and for low dose-rate studies of leukaemia. The focus was on new human studies at low doses or low dose rates. In addition, the Commentary briefly reviewed current evidence regarding certain non-cancer outcomes, such as cardiovascular diseases (CVDs), as well as heritable effects and childhood exposure. Future activities were also identified to stimulate radiation epidemiology efforts to address the LNT model and low-dose risks. The Commentary was summarised by the same authors in some detail in a memorandum published in this journal (Shore et al 2018)…
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