Abstract
120 respondents which from selenium-rich and selenium-poor areas respectively were investigated and analyzed by means of questionnaire survey and statistical analysis to study the relationship between soil selenium level and human health in GuanZhong area, shaanxi province. Studies have shown that the incidence of diabetes (X 2 = 4.25, P < 0.05), coronary heart disease (X 2 = 4.63, P < 0.05) and gastritis (X 2 = 6.67, P < 0.01) in selenium-poor areas in GuanZhong area, shaanxi province is significantly higher than that in selenium-rich areas. It is urgent to adjust the dietary habits in the selenium-poor areas, and pay attention to proper intake of selenium-rich food in daily diet, so as to prevent and treat the related diseases caused by selenium deficiency.
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