Switching a phone to grayscale made scrolling feel less rewarding, so mindless browsing dropped and weekly average screen time fell below 3 hours. Grayscale created real annoyances, especially for ...

There’s that nagging voice again: “Put the phone away. No, really this time.” But we don’t; 84 percent of Americans say that they are online either several times a day or “almost constantly.” “On your ...

The researcher and author Jean Twenge has a prescription for the harmful effects of screen time on children. If only parents would listen. By Catherine Pearson Jean Twenge’s three teenage daughters ...