Study type: Medical/biological study (observational study)

Alterations in TSH and Thyroid Hormones following Mobile Phone Use. med./bio.

Published in: Oman Med J 2009; 24 (4): 274-278

Aim of study (acc. to author)

To investigate the effects of electromagnetic fields induced by the GSM mobile phones on the thyroid stimulating hormone (TSH) and thyroid hormones in humans.

Background/further details

77 healthy students (23 males and 54 females; 19-29 years) were divided into three groups according to their daily use of mobile phones: group 1: 5-20 min/day (25 individuals), group 2: more than 120 min/day (31 individuals), and control group: no mobile phone use (21 individuals).



Exposure Parameters
Exposure 1: -

General information

77 healthy students (23 males, 54 females) were divided into three different groups according to their self-reported daily use of mobile phones: i) 5-20 minutes (25 individuals) ii) more than 120 minutes (31 individuals) ii) control group: no mobile phone use (21 individuals)

Exposure 1

Main characteristics
Exposure setup
Setup self-reported exposure to electromagnetic fields and microwave radiation; confounding factors, proximity to base stations (adaptive power control) and number of calls being handled by a base station (traffic density) taken into account

No parameters are specified for this exposure.

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Investigated organ system:

Main outcome of study (acc. to author)

No statistically significant difference among the levels of thyroxine and triiodothyronine was found among the participants of group 1, group 2, and the control group.
The level of thyroid stimulating hormone was increased in group 1 and group 2 compared to the control group (not in all applied statistical analyses significant); the highest concentration was observed in group 1.

Study character:

Study funded by

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