In one report
they found “that case-control studies on adults point to an increased risk of
brain tumours (glioma and acoustic neuroma) associated with the long-term use
of mobile phones. Recently, the first study on mobile phone use and the risk of
brain tumours in children and adolescents, CEFALO, was published. It has been
claimed that this relatively small study yielded reassuring results of no increased
risk. We do not agree. We consider that the data contain several indications of
increased risk, despite low exposure, short latency period, and limitations in
the study design, analyses and interpretation. The information certainly cannot
be used as reassuring evidence against an association, for reasons that we
discuss in this commentary”.
One cohort study of the
association between use of mobile and cordless phones and malignant brain
tumours found an increased risk was found for glioma and use of mobile or
cordless phone. The risk increased with latency time and cumulative use in
hours and was highest in subjects with first use before the age of 20.
Another study
was made to evaluate brain tumour risk among long-term users of cellular
telephones. It found that patients using a mobile phone for ten years or
more give a consistent pattern of increased risk for acoustic neuroma and
glioma.
And finally the Department of Experimental Biomedical
Sciences, Medical School of Padova, Padova, Italy made a study of
the relationship between use of mobile phones (analogue and digital
cellulars, and cordless) and head tumour risk (brain tumours, acoustic
neuromas, and salivary gland tumours). They found that analysis of the
literature studies and of the results from meta-analyses of the significant
data alone shows an almost doubling of the risk of head tumours induced by
long-term mobile phone use or latency.
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