Discover how biology, hormones, and social expectations combine to hide ADHD in girls, revealing the science behind why their ...

A new study finds that the rise in attention deficit hyperactivity disorder, or ADHD, is not a uniquely American phenomenon. In Germany, for instance, 2.2% of kids were treated for hyperkinetic ...

A new study examining nine consecutive birth years in Sweden indicates that the dramatic rise in clinical diagnoses of autism spectrum disorder is not accompanied by an increase in autism-related ...