Do those violin lessons improve your child’s brain development? What about sports and sleep? In the largest study of its kind, researchers from 21 institutions are looking to answer these questions once and for all with a massive data hive showing how a range of behaviors…

In China, doctors consider Internet addiction a clinical disorder, complete rehabilitation centers for afflicted youngsters undergo therapy featuring complete media withdrawal.

Childhood lead exposure permanently alters critical brain functions—changes that may help to explain high crime rates in lead-ravaged neighborhoods decades after the initial exposure. A growing body of research indicates that a complete picture of the damages from…