A recent brain imaging study reveals that attention deficit hyperactivity disorder consists of at least two distinct physical subtypes. This discovery suggests that patients may eventually benefit ...

Engineers have discovered an unexpected link between two very different realms of physics: the behavior of electrons in ...

Casey Means says Americans share a single underlying condition.

In rodents, anxiety is characterized by heightened vigilance during low-threat and uncertain situations. Though activity in the frontal cortex and limbic system is fundamental to supporting this ...