Hands-free cell phone also risky - UPI

"Research conducted at the University of Sydney's Injury Prevention and Trauma Care Division indicates that people who use their cell phones while driving are four times more likely to crash -- and this includes people using hands-free devices"...

Research conducted at the Transport Research Laboratory in Britain found that drivers talking on both hand-held and hands-free mobile phones have, on average, 30 percent slower reaction times than those who have been drinking and 50 percent slower times than sober drivers, Purdy said....