A recent study out of Sweden has proven that 10 or more years of analog mobile phone use can increase the risk of acoustic neuroma by 50%, this increase was confined to the side of the head where a mobile phone was usually held. New digital mobile phone effects are unknown since they have not yet been around for 10 years, however they have a much lower signal output compared to older analog phones, as much as 70% less. All the more reason to use headsets.
Acoustic neuroma is a benign tumour on the auditory nerve that usually grows slowly over a period of years before it is diagnosed. It occurs in less than one adult per 100,000 per year.
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