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Alterations in TSH and Thyroid Hormones following Mobile Phone Use. Results obtained from this study, as the first human study on this topic, showed a significant alteration of TSH level in mobile phone users compared to those who had not used mobiles previously. Theses findings confirm early reports that showed alterations of TSH or thyroid hormones following exposure to EMF sources. Further large-scale research is required to clarify the extent of alteration caused by mobile phone use on the function of human glands.

Lunes 15 de julio de 2013 · 622 lecturas

Alterations in TSH and Thyroid Hormones following Mobile Phone Use
Abstract
Objectives: In recent years, the widespread use of mobile
phones has lead to a public debate about possible detrimental
effects on human health. In spite of years of research, there is
still a great controversy regarding the possibility of induction
of any significant physiological effects in humans by microwave
radiations emitted by mobile phones. This study aims to
investigate the effects of electromagnetic fields induced by the
Global System for Mobile communications (GSM) mobile
phones on the Thyroid Stimulating Hormone (TSH) and thyroid
hormones in humans.
Methods: 77 healthy university students participated in this
study. The levels of T3, T4 and TSH were measured by using
appropriate enzyme-linked immunosorbent assay (ELISA) kits
(Human, Germany).
Results: The average levels of T3, T4 and TSH in students who
moderately used mobile phones were 1.250.27 ng/ml, 7.761.73
μg/dl and 4.252.12 μu/l respectively. The levels in the students
who severely used mobile phones were 1.180.30, 7.751.14 and
3.752.05 respectively. In non-users, the levels were 1.150.27,
8.422.72 and 2.701.75, respectively. The difference among
the levels of TSH in these 3 groups was statistically significant
(P<0.05).
Conclusion: As far as the study is concerned, this is the first
human study to assess the associations between mobile phone
use and alterations in the levels of TSH and thyroid hormones.
Based on the findings, a higher than normal TSH level, low mean
T4 and normal T3 concentrations in mobile users were observed.
It seems that minor degrees of thyroid dysfunction with a
compensatory rise in TSH may occur following excessive use
of mobile phones. It may be concluded that possible deleterious
effects of mobile microwaves on hypothalamic-pituitary-thyroid
axis affects the levels of these hormones.
From the 1Department of Radiology, Shiraz University of Medical Sciences, Shiraz,
Iran 2Department of Medicine, Shiraz University of Medical Sciences, 3Department
of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.
Received : 05 Aug 2009
Accepted: 07 Sep 2009
Address correspondence and reprint request to: Dr. SMJ Mortazavi, Department of
Radiology, Shiraz University of Medical Sciences, Shiraz, Iran.
E-mail: mmortazavi sums.ac.ir

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