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).
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)
No parameters are specified for this exposure.
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.