From televisions in living rooms to tablets in playrooms, digital screens have become common in homes everywhere. Toddlers today encounter screens far more often than children in previous generations.

At a typical pediatric visit, parents and clinicians examine where a child falls on growth charts that compare their height and weight to national averages. Now, a team of University of Maryland ...

They suggest that children diagnosed with ADHD may have fundamentally different patterns of brain development, even if they share the same clinical label. This could help explain why some children ...