Driving while distracted by your phone is a nationwide problem. A new proposed phone function from Apple could play a big role in helping teens — and adults — avoid accidents. Nils Kahle/iStockphoto hide caption

itoggle caption Nils Kahle/iStockphoto

You can do it. But your 16-year-old can't. Teens were more likely to have accidents while eating or talking in the car. iStockphoto hide caption

itoggle caption iStockphoto

Reggie Shaw killed two men while he was texting on a Utah highway. He now speaks to groups about the dangers of texting and driving. ShareATT/YouTube hide caption

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A University of Utah volunteer drives through Salt Lake City's Avenues neighborhood as a camera tracks her eye and head movement. Another device records driver reaction time, and a cap fitted with sensors charts brain activity. AAA Foundation for Traffic Safety hide caption

itoggle caption AAA Foundation for Traffic Safety

Dylan Young, then 18, posed for a photo as a vehicle cruised by North Arlington, N.J., in June 2012. Young was in a fender-bender accident caused by being distracted while texting and driving. Julio Cortez/AP hide caption

itoggle caption Julio Cortez/AP

Despite the well-publicized dangers and laws against it in many states, texting or emailing while driving remains a huge problem. Robert F. Bukaty/AP hide caption

itoggle caption Robert F. Bukaty/AP