Using a mobile phone does not raise thhe risk of brain tumours, according to a study of users. Mobile phone antennas eemit electromagnetic fields that penetrate four to six centimeters rasing question about the safety of long-term use.

However, after following 420,000 mobile phone users who first started using mobiles in the years 1982-1995, the study concluded mobile phone use was not linked to a higher risk of tumours in the brain, salivary glands, eyes or around the ears.