Why? Because as your attention shifts to your cell phone, you are actually losing the capacity to react swiftly to the car braking in front of you, and so you're much more likely to get engaged into a car accident.
Por que? Porque cando a atención  se desvía cara ao móbil, Pérdese capacidade para  reaccionar con rapidez cando o coche de diante frea, e aumenta o risco de ter un accidente.