Hormesis markers in population around NPP??

["Jim Muckerheide" <jmuckerheide@cnts.wpi.edu>]

Friends,



FYI. Comments? Let me know if you can review the paper? Let me know if

you don't have it.



Regards, Jim

===========



Sci Total Environ  2001 Dec 3;280(1-3):165-72



Peripheral blood cells among community residents living near nuclear

power plants.



Lee YT, Sung FC, Lin RS, Hsu HC, Chien KL, Yang CY, Chen WJ.



Department of Internal Medicine, National Taiwan University College of

Medicine, Taipei, ROC. 



Abstract

Information about hematopoieses as a result of exposure to very low

levels of radiation is scarce. To investigate the human hematopoietic

effect of very low level radiation exposure, measurements of peripheral

blood components were performed among 3602 men and women, aged 35 and

above, living in a community near two nuclear power installations in

Chinshan, Taiwan. The radiation level that each individual was exposed

to was represented by a surrogate level, '1 / D1^2  + 1 / D2^2,', a

transformed distance from each individual's residence to the two power

plants D1 and D2. In addition to comparing average hematology

measurements, multiple regression analyses were done to include age,

gender, smoking, drinking status and the surrogate radiation exposure

level as independent variables. Univariate and bivariate analyses showed

that the hematology measurements had significant associations with age,

gender, smoking or drinking. The multiple regression analyses revealed

that significant positive associations with '1 / D1^2  + 1 / D2^2,' were

found for hemoglobin, hematocrit, platelet, white blood cell and red

blood cell. The platelet count might increase for 208.7 x 10^3/microl if

the exposure from the nuclear plants increased by one exposure unit.

This type of association implies that those who lived closer to the

nuclear power installation had a higher blood cell count; we suspect

that this could be a type of radiation hormesis.









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