An international study has linked extended mobile phone use to an increased risk of developing brain tumours.

The 10-year study– the world’s largest study of the health effects of mobile phones, involving more than 5000 brain cancer patients in 13 countries–found those in the top 10 per cent of phone use are up to 40 per cent more likely to develop cancer.

Just 30 minutes of mobile talk time daily was enough to put participants into the top 10 per cent category in the study,

Industry study shows brain tumour link to heavy mobile phone usage