Around 776,000 participants completed questionnaires about their mobile phone usage in 2001; around half of these were surveyed again in 2011. The researchers also investigated whether mobile phone use was associated with the risk of eye tumours. In this study, only 18% of phone-users reported talking on a mobile phone for 30 minutes or more each week. The study did not include children or adolescents, but researchers elsewhere have investigated the association between mobile phone use and brain tumour risk in these groups, not finding any association. Nevertheless, given the lack of evidence for heavy users, advising mobile phone users to reduce unnecessary exposures remains a good precautionary approach.’The study is published in Journal of the National Cancer Institute.
