How much screen time is too much? It’s a pressing question for many parents of young children and teens, who have been inundated with warnings about the negative effects of digital technology use on mental health. But new research suggests the story is not as clear – or as dire – as many think. Social media researcher Amy Orben of Oxford University says she often feels like she lives in two completely different worlds. “I live in the world where I listen to the radio, and I watch TV, and I read