New research has suggested mobile phone technology does not harm people's health.
A report by the Health Protection Agency's (HPA) independent Advisory Group on Non-ionising Radiation looked at the scientific evidence regarding human exposure to radiofrequency (RF) electromagnetic fields.
These are produced by mobile phones and wireless technology such as Wi-Fi and television or radio transmitters.
The document concluded there is no evidence to show that RF exposure below internationally agreed guidelines has any harmful effects on either adults or children.
"Overall, the results of studies have not demonstrated that the use of mobile phones causes brain tumours or any other type of cancer," the HPA continued.
Dr John Cooper, director of the HPA's Centre for Radiation, Chemical and Environmental Hazards, explained the organisation will continue to look into the sector and "keep the science under close review".
The HPA's independent Advisory Group on Non-ionising Radiation was established in 1990 and issues reports into areas such as ultraviolet radiation, exposure to electromagnetic fields and ultrasound.