Journal of Radiation Research
Online ISSN : 1349-9157
Print ISSN : 0449-3060
An Epidemiological Investigation of Mutational Diseases in the High Background Radiation Area of Yangjiang, China
TAO ZUFANWEI LUXIN
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JOURNAL FREE ACCESS

1986 Volume 27 Issue 2 Pages 141-150

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Abstract

Data from the epidemiological investigation on mutation-based diseases in the High Background Radiation Area (HBRA) of Yangjiang, China, were analyzed. Although the gamma exposure level in the HBRA is three times that of the Control Area (CA) and about ninety percent of the families in the HBRA have lived there for more than six generations, there was no significant difference between the HBRA and CA in cancer mortality and the total incidence of 31 kinds of hereditary diseases and congenital defects. The frequency of chromosomal aberrations in peripheral lymphocytes of inhabitants in the HBRA was statistically higher than that in the CA, and a higher reactivity of T-lymphocytes was found in the HBRA youngsters. The comparative study of factors believed to influence the occurrence of mutation-based diseases has thus far not revealed any dominant factors that could be affecting disease prevalence.

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