SAN FRANCISCO (KPIX) — California health officials have a new message for cellphone users. For the first time ever, the California Department of Public Health is releasing guidelines about harmful cellphone radiation and how you can avoid it. Dr. Karen Smith with the California Department Of Public Health said, “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.” Smith said, “When you sleep, you keep the cellphone at least arm’s length away from your body. And also, not carrying your cellphone in...