California health officials release guidelines on cellphone radiation

California health officials have a new safety message for cell phone users. CBS San Francisco reports that for the first time ever, the California Department of Public Health is releasing guidelines about cellphone radiation and how you can reduce your exposure."We recognize that there are a lot of people in the general public that have some concerns about their cellphones and whether using a cellphone is safe," said Dr. Karen Smith of the California Department of Public Health."When you sleep,