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To investigate the histological changes originating from microwaves emitted by cellular phones.
|ばく露時間||repeated daily exposure for 2 h/day for 1 month|
|Repetition frequency||217 Hz|
|Distance between exposed object and exposure source||0.5 cm|
|ばく露装置の詳細||The cellular phones were placed 0.5 cm under the Plexiglas cages.|
|Additional information||Rats were separated into three groups: sham exposed phone in standby mode phone turned to speech mode for 1 min 3x in 2 h.|
The decrease of epididymal sperm counts in the speech groups (experimental group, phones were turned to the speech position) was not found to be significant. Differences in terms of normal and abnormal sperm forms were not revealed. Histological changes were especially found in the testes of animals of the speech groups. Seminiferous tubular diameter of rat testes in the standby (cellular phones were in standby position) and speech groups was found to be lower than in the sham exposed group.
Rectal temperatures of animals in the speech group were found to be higher than rectal temperatures of rats in the sham and standby groups. The rectal temperatures of animals before and after irradiation were also found to be significantly higher in the speech group. Thus, the animals are affected by heat generated following microwave exposure.