The impact of social media on young people’s mental health and well-being is a growing topic of concern among parents, educators, health care professionals and regulators. And now, nearly half of US teens say social media has a mostly negative effect on people their age — and almost the same proportion say they’re cutting back on social media use.

Social media has taken over the world the last two decades. It’s been part of kids’ and teens’ lives now for almost two generations. As more platforms become popular, mental health experts are waving the red flags.