„Eighth-graders who are heavy users of social media increase their risk of depression by 27 percent, while those who play sports, go to religious services, or even do homework more than the average teen cut their risk significantly. Teens who spend three hours a day or more on electronic devices are 35 percent more likely to have a risk factor for suicide, such as making a suicide plan.“

Univ.-Prof. Dr. Jean M. Twenge, „Have Smartphones Destroyed a Generation?". In: The Atlantic online vom September 2017