To evaluate the effects of an exposure to radiofrequency electromagnetic fields emitted by a mobile phone on the fasting blood glucose in rats.
5 groups of rats were examined (n=8 per group): 1.) Control group, 2.) less than 15 minutes exposure per day, 3.) 15-30 minutes exposure per day, 4.) 31-45 minutes exposure per day and 5.) 46-60 minutes exposure per day.
At the end of the experiment the animals were kept without food for 12 hours and afterwards blood samples were taken.
| Exposure | Parameters |
|---|---|
|
Exposure 1:
1,800 MHz
Exposure duration:
less than 15 min/day for 3 month
|
- |
|
Exposure 2:
1,800 MHz
Exposure duration:
15-30 min/day for 3 month
|
- |
|
Exposure 3:
1,800 MHz
Exposure duration:
31-45 min/day for 3 month
|
- |
|
Exposure 4:
1,800 MHz
Exposure duration:
46-60 min/day for 3 month
|
- |
| Frequency | 1,800 MHz |
|---|---|
| Type | |
| Exposure duration | less than 15 min/day for 3 month |
| Exposure source | |
|---|---|
| Setup | mobile phone in the call mode was placed in the center of the mouse cage; cage was made of plastic (length 18 inches, width 12 inches); animals were in close proximity to the phone |
No parameters are specified for this exposure.
| Frequency | 1,800 MHz |
|---|---|
| Type | |
| Exposure duration | 15-30 min/day for 3 month |
| Exposure source |
|
|---|
No parameters are specified for this exposure.
| Frequency | 1,800 MHz |
|---|---|
| Type | |
| Exposure duration | 31-45 min/day for 3 month |
| Exposure source |
|
|---|
No parameters are specified for this exposure.
| Frequency | 1,800 MHz |
|---|---|
| Type | |
| Exposure duration | 46-60 min/day for 3 month |
| Exposure source |
|
|---|
No parameters are specified for this exposure.
In the groups exposed longer than 15 minutes, the blood glucose was significantly increased when compared to the control group, while in the groups exposed longer than 30 minutes the insulin level was significantly increased.
The beta cell function was significantly increased in the group exposed less than 15 minutes compared to the control group, while the insulin resistance was significantly increased in the groups exposed for 15-30 minutes and 46-60 minutes.
The authors conclude that there could be an association between mobile phone exposure and increased fasting blood glucose in rats.
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