What is the number one killer of teenagers? speeding reckless driving driving under the influence distracted driving and how often do they happen?

Teenagers are in the stage of having to develop a sense of having to prepare themselves of having to be mature and in adolescence, which means that they are probably not yet mature enough to know what they are doing and are capable of that makes them do things they want such as partying or hanging out with friends, in which this often happens that led them to do things such as having to drive under the influence because of peer pressure - - by this, it is likely the cause of things that get them killed.