Here's an opinionated overview: https://www.psychologytoday.com/blog/mental-wealth/201402/gray-matters-too-much-screen-time-damages-the-brain https://www.psych

Here's an opinionated overview: https://www.psychologytoday.com/blog/mental-wealth/201402/gray-matters-too-much-screen-time-damages-the-brain https://www.psychologytoday.com/blog/mental-wealth/201402/gr... It is not even an unreasonable assumption that things that are fine for adults may not be harmless for developing brains. But it seems that---as usual---this topic is poorly understood as there may be confounding factors that are not controlled for. A counterpoint is given here: https://www.theguardian.com/science/head-quarters/2013/aug/29/screen-time-mental-health-children https://www.theguardian.com/science/head-quarters/2013/aug/2...