| Summary: | Objective: The effects of the electromagnetic fields (EMFs) emitted from cell phones on living organisms and human health have become one of the most important topics for research because cell phones are widely used, even at early ages, all over the world. In this study, it was aimed to reveal the effects of exposure to EMFs emitted from cell phones on the hippocampus region of the brain during childhood and adolescence. Materials and Methods: In the study, newborn rats were divided into six groups as control 1–21, EMF 1–21, control 21–60, EMF 21–60, control 1–60, and EMF 1–60. The rats in the EMF groups were exposed to an EMF emitted from cell phones placed in cages every day. No procedure was performed in the control (C) groups. Sections taken from the brain tissues were evaluated using histopathologic, stereologic, and immunohistochemical methods. Results: According to the stereologic analysis results we obtained from the study, there was a significant decrease in the number of pyramidal cells and hippocampus volume in the EMF 1–60 group (P < 0.05). In the histopathologic examinations of the brain sections, it was observed that there were many damaged neurons with darkly stained cytoplasms among normal pyramidal cells in all age groups exposed to EMF. In addition, caspase 3 immunoreactivity was found to be statistically significantly increased in the EMF 1–60 group compared with all other groups (P < 0.05). Conclusion: Chronic cell phone exposure from birth to the end of adolescence causes neuronal damage and volume reduction in the developing hippocampus.
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