Increased use of mobile phones since the late 1990s is not causing a rise in the frequency of brain tumours, a Scandinavian study has found.
The survey of cancers reported among 16 million adults in Denmark, Finland, Norway and Sweden found no related, observable change in the incidence of cases up until 2003.
http://www.guardian.co.uk/society/2009/dec/04/cancer-mobile-phones-risk-...