WebMD Medical News Louise Chang, MD Dec. 3, 2009 -- Scientists
say they could find no substantial change in the incidence trend
of brain tumors among a study group of 60,000 people five to 10
years after cell phone usage rose sharply in the countries where
they Cell phones have been mentioned for years as possible
causes of brain tumors, but the new study, published in the Dec.
3 online issue of the Journal of the National Cancer Institute,
found no cell phone-related increase during this study period.
Researchers from Denmark, Finland, Norway, and Sweden say they
found that the incidence of brain tumors in the studied
population of people from the four countries remained stable,
decreased, or showed only a gradual increase that started before
the introduction of the wireless devices between 1974 and Mobile
phone use in those Nordic countries rose dramatically in the
mid-1990s, the study says. Lead author Isabelle Deltour, PhD, of
the Institute of Cancer Epidemiology of the Danish Cancer
Society, and colleagu