There is more research if one is willing to look. There is [1] - a study where MRI was used to measure the myelination in young children's brains, comparing hi

There is more research if one is willing to look. There is [1] - a study where MRI was used to measure the myelination in young children's brains, comparing high screen time and low screen time kids. It was a small study and relied on self-reporting by parents, but there's a physically measurable affect. [1] https://www.technologyreview.com/2019/11/04/132071/screen-time-might-be-physically-changing-kids-brains/ https://www.technologyreview.com/2019/11/04/132071/screen-ti...