Do Cellphones Pose a Cancer Risk?
Preliminary findings from a controversial study in rats is reigniting a long-running debate over whether mobile-phone use can cause cancer. Two types of tumors -- one in the brain, one in the heart -- were spotted in male rats exposed to a type of radiation used by the U.S. wireless telephone industry, according to a 74-page report on partial findings from the U.S. government-funded study. Bloomberg View's Faye Flam has more on "Bloomberg West." (Source: Bloomberg)