The study's observations, especially when relayed quickly in our sound bite news culture, have alarmed some people. I understand why. In my years covering this issue, passions on the debate run deep. Some readers and experts are convinced we're on the verge of a major public health crisis, while others dismiss the debate as tinfoil-hat pseudoscience. Most of the public, however, doesn't appear to care. Ever since scientists first started asking questions, cell phone use has only skyrocketed with 92 percent of Americans now owning mobile phones.