MRIs Show Screen Time Linked To Lower Brain Development In Preschoolers

(CNN) — Screen time use by infants, toddlers, and preschoolers has exploded over the last decade, concerning experts about the impact of television, tablets and smartphones on these critical years of rapid brain development.
Now a new study scanned the brains of children 3 to 5 years old and found those who used screens more than the recommended one hour a day without parental involvement had lower levels of development in the brain’s white matter — an area key to the developme