Kit Delgado, an emergency room physician who’s also an assistant professor at the Perelman School of Medicine at the University of Pennsylvania, gets that it’s hard to keep your hands off your phone. He sees it all the time in patients who come into his ER, like the college student who was heading down the highway to pick up his girlfriend when he heard his phone ding. He picked it up, dropped it on the floorboard, reached down to get it and crashed into the guardrail. “You talk to any teenager in the country, and they’ve been beaten over the head that texting while driving is dangerous,” Delgado says. “But the decision to reach for that phone can be impulsive, it can be emotional, it can be subconscious and automatic. Even though if you were to step out of the situation, you would say you shouldn’t be doing this.” Read more on Knowledge@Wharton High School.