CNNW Sanjay Gupta MD October 16, 2011
this month, these flyers like this will need to be handed out and on display in stores. take a look. cell phones emit radio-frequency energy. you'll start seeing those here in san francisco along with specific tips on what to do including limiting cell phone use by children, using a headset, using belt clips, avoiding cell phones in weak signal areas. this is something, again, we've been reporting on for some time. concern that using a cell phone for too long, too many years could potentially be problematic to your health. the world health organization even weighing in on this earlie...