Conflicting theories on whether mobile phones may cause brain cancer

Conflicting theories on whether mobile phones may cause brain cancer. "The World Health Organization's cancer research agency says mobile phones are "possibly carcinogenic". A review of evidence suggests an increased risk of a malignant type of brain cancer cannot be ruled out. However, any link is not certain - they concluded that it was "not clearly established that it does cause cancer in humans". A cancer charity said the evidence was too weak to draw strong conclusions from." More on the BBC News website.