Cell phone usage has increased dramatically in recent years, with the number of subscribers exceeding 3 billion subscribers worldwide. Numerous case-control studies have examined the possible correlation between long term use of cell phones (specifically, the electromagnetic radiation emitted by cell phones) and the incidence of brain tumors.

In the fall of 2009, the World Health Organization published a 10 year study which examined the cell phone habits of more than 120,000 people in 13 countries. The study reported a significantly higher risk of developing brain tumors in individuals with 10 years or more of cell phone usage. Similar findings in More >