The Scientific Debate Over Teens, Screens And Mental Health | MindShift | KQED News “A teenagers’ technology use can only explain less than 1% of variation in well-being,” Orben says. “It’s so small that it’s surpassed by whether a teenager wears glasses to school,” or rides a bicycle, or eats potatoes — all comparisons made by Orben and her Oxford co-author Andrew K. Przybylski.