Cell phones are increasingly globally ubiquitous. And like many technologies, their increased use has come with health concerns. For instance, is there a connection between cell phone usage and brain cancer? Does greater exposure to radiofrequency electromagnetic fields lead to higher incidences of brain tumors? This eBook delves into the latest studies from a broad range of findings both pro and con to find the answers if there is any definitive proof on whether cell phones or mobile phones cause illness.