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Children and adolescent mobile phone users at no greater risk of brain cancer than non-users
Date:7/27/2011

Children and adolescents who use mobile phones are not at a statistically significant increased risk of brain cancer compared to their peers who do not use mobile phones, according to a study published July 27 in the Journal of The National Cancer Institute.

Mobile phone usage has increased among children and adolescents in recent years. The increased usage has raised a concern about the possibility of the development of brain tumors in this population since children have a developing nervous system; also, because their head circumference is smaller, the radio frequency electromagnetic fields may penetrate regions that are deeper in their brains. However, no previous study has examined whether mobile phone usage among children and adolescents is associated with a difference in brain tumor risk.

To determine the relationship between mobile phone usage and brain tumor risk among children and adolescents, Martin Rsli, Ph.D, of the Swiss Tropical and Public Health Institute in Basel, Switzerland, and colleagues looked at the medical records of children aged 7-19 with brain tumors, identified through population registries. Researchers did face-to-face interviews with them regarding their mobile phone usage. They also consulted data from phone network providers.

The study, conducted between 2004 and 2008, included participants from Norway, Denmark, Sweden and Switzerland. They looked at data for 352 brain cancer patients, and 646 control subjects.

The researchers found that patients with brain tumors were not statistically significantly more likely to have been regular mobile phone users than control subjects. They found that 265 (75.3%) of case patients and 466 control subjects (72.1%) reported having spoken on a mobile phone more than 20 times before the time when the case patient was diagnosed. Furthermore, 194 case patients (55%) and 329 control subjects (51%) reported regular mobile phone usage. However, in a subs
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Contact: Kristine Crane
jncimedia@oxfordjournals.org
301-841-1287
Journal of the National Cancer Institute
Source:Eurekalert

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