Risk of Cancer Subsequent to Low-Dose Radiation

    Volume 25, Issue 4 (October 1980)

    ISSN: 0022-1198

    CODEN: JFSOAD

    Published Online: 1 October 1980

    Page Count: 6


    Warren, S
    Late director, emeritus, Cancer Research Institute, New England Deaconess Hospital, Boston, Mass.

    (Received 28 February 1980; accepted 20 March 1980)

    Abstract

    Prominent among media items related to the Three Mile Island episode were prophecies of future cancers. The credibility of some of these estimates are discussed. The average person has been exposed by the age of 50 to 2.5 rad (0.025 Gy) from natural background. We define low doses as under 25 rad (0.25 Gy). The most heavily exposed members of the general population during the Three Mile Island event received 83 mrad (0.83 mGy). Those exposed to 2500 mrad (25 mGy) would show no pathologically recognizable effects of radiation though there is evidence that chromosomal damage may occur with doses about 1 rad (0.01 Gy). An official stated among the consequences of the Three Mile Island accident that two additional cancer deaths would result. No epidemiologist could detect such an increase in the population at risk. It has been generally agreed that the linear hypothesis is useful for determining protection standards, not prognosis. Objective criteria for pathologic diagnosis of cause-effect relations are presented.


    Paper ID: JFS11285J

    DOI: 10.1520/JFS11285J

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    Author
    Title Risk of Cancer Subsequent to Low-Dose Radiation
    Symposium , 0000-00-00
    Committee E30