http://www.nsc.org/safety_road/Distracted_Driving/Pages/CognitiveDistraction.aspx http://www.nsc.org/safety_road/Distracted_Driving/Pages/Cogn... "While many p

http://www.nsc.org/safety_road/Distracted_Driving/Pages/CognitiveDistraction.aspx http://www.nsc.org/safety_road/Distracted_Driving/Pages/Cogn... "While many people know texting while driving increases crash risk, the lack of understanding about the risks of phone conversation while driving remains a challenge. Talking on hands-free or handheld cell phones requires the brain to multitask – a process it cannot do safely while driving."