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Cell Phone Use Not Linked to Increase in Brain Tumors

12/08/2009 - News

Cell Phone Use Not Linked to Increase in Brain Tumors

By: June Chen, MD

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There is some question that cell phone use is a risk factor for brain tumors. However, according to a recent Scandinavian study published online in the Journal of the National Cancer Institute, there have been no significant increases in brain tumors among adults in the 5 to 10 years after cell phone use dramatically increased.

Researchers from the Danish Cancer Society in Copenhagen, Denmark analyzed the annual incidence rates of two types of brain tumors among adults aged 20 to 79 years from Denmark, Finland, Norway, and Sweden. They found that the incidences of brain tumors in these countries were stable, decreased, or continued a gradual increase that started before cell phones came on the market. In particular, the researchers found no obvious difference in the rate of brain tumors from 1998 to 2003, a time period during which a possible link between cell phone use and cancer risk might have been expected to reveal itself.

In August 2009, the International Electromagnetic Field Collaborative released a report stating that the regular use of cell phones could result in a significant risk for brain tumors. However, at the present time, there is no clear biologic explanation for how cell phones might cause brain tumors and study results on the topic have been conflicting. Still, the researchers caution that a longer follow-up of time trends in the incidence of brain tumors in relation to cell phone use is needed, especially since the cause of brain tumors at large is poorly understood.
 

Source:

J Natl Cancer Inst. 2009;101:1721-1724.

 

Created on: 12/07/2009
Reviewed on: 12/08/2009

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