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New cellphone industry funded study claims no association between cellphone use and glioma 19/01/2006 goto news index |
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A study of 1000 UK cellphone users among glioma cases, funded by the cellphone industry, published in the BMJ claims it finds no association between previous cellphone use and glioma, a common form of brain tumour. The authors confined their study to low grade gliomas, since patients with high grade gliomas die quickly, and few were available for questionnaire response. This effectively confounds the study however: only half glioma cases are low grade, so it is not possible to make the conclusions offered by the authors that there is no association: it could be that the association lies with the high grade cases. Moreover glial cells are mainly responsible for energy synthesis, not for communication, and it is the neurocommunication cells which have been indicted by previous studies, for example acoustic neuromas. See Hepworth SJ et al., BMJ Online, First, 20 January 2006. |