Why do some people drive like morons? What possesses them? Why do stupid teenage boys do ridiculous stunts while driving motorcycles through my peaceful neighborhood - when they're not wearing helmets, don't have any protective clothing, and don't have even have plates on their sketchy motorcycles - so that I have to work so hard to avoid hitting them?
Teens Are Hardwired for Risky Behavior (WebMD)
Psychologist Explains Teens' Risky Decision-making Behavior (Science Daily)
Teens driven to distraction: Nature or nurture? (USA Today)