Objectives To explore the influence of environmental electromagnetic radiation (EMR) on the peripheral blood cell of college students.
Methods Based on the results of monitoring EMR level in campus, 537 students in a relative high EMR level campus and 566 students in a relative low EMR level campus were randomly selected and investigated. Questionnaires were used to understand the general symptoms of blood diseases. Peripheral blood samples were analyzed by an automatic blood analyzer.
Results Compared with the relative low EMR group, the rate of myasthenia of limbs in the relative high EMR group was significantly higher (P less than 0.05). In contrast with the relative low EMR group, the values of red blood cell count, hematocrit, hemoglobin and the ratio of neutrophils of the relative high EMR group were statistically higher (P less than 0.05), whereas the values of lymphocyte count, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, platelets count, thrombocytocrit and platelet mean volume were significantly lower (P less than 0.05); the year of residence (in 1-4 years) was positively correlated with red blood cell counts, and hemoglobin was negatively correlated with lymphocyte counts (P less than 0.05).
Conclusions There were some effects of existing environmental electromagnetic field on the hemogram of college students; indicating an increased red blood cell counts and hemoglobin levels, a decreased lymphocyte counts, and a higher ratio of neutrophils. More attention should be paid to the potential effects of EMR on human health.
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