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> 1.2.1 > 1.2.1.5
> BEIR V 1990 References |
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"Low Level Revision 1 by Radiation, Science, and Health, Inc., 1.2.1 1.2.1.5
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BEIR V (1990) states (p 301) in
"Cancer at Specific Sites, Colon" "Irradiation has been observed to increase the risk of colon cancer in humans and laboratory animals. The strongest evidence of the carcinogenic effects of radiation on the human colon is provided by the dose-dependent excess of colon cancers observed in Japanese A-bomb survivors. At doses of 1 Gy or higher, a total of 25 deaths from colon cancer were observed between 1950 and 1982 in members of the Life Span Study cohort population versus 1,450 expected deaths; no such excess was evident during the first 15 years after irradiation (i.e., before 1959), nor has any excess been evident in doses below about 1.0 Gy (Preston et al. 1987a). The relative risk per Gy (organ dose) in the DS86 subcohort was estimated to amount to 1.85 (1.39-2.45), which corresponds to an excess of 0.81 (0.40-1.30) deaths per 104 PYGy (Shimizu et al. 1988)." |
[Editor's Note: Here BEIR
clearly states that the data shows NO excess cancer below 1 Gy (100 Rad), yet reports the
"relative risk" as linear to zero dose. This significantly misrepresents the data. This is typical of much of the data that are claimed to support the "linear model". This may serve policy, but violates science.] |
RSH > Documents > RSH Data Docs > 1.2 > 1.2.1 > 1.2.1.5
> BEIR V 1990
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