Kids Who Stare at a Screen for More Than 7 Hours a Day Have Different Brain Structure: Study

fMRI image of preteen brain while child performs a working memory task, released by ABCD researchers. The regions in yellow and red are most active. Richard Watts, PhD, University of Vermont and Fair Neuroimaging Lab, Oregon Health and Science University

A groundbreaking, $300 million study has discovered that children who spend at least seven hours a day on smartphones or tablets are changing the structure of their brains.

The new research was funded by the National Institute of Health, a government agency, showing the results of technology on children.