Researchers hunt for biomarkers of Asperger's syndrome, a condition that officially no longer exists.

The Book of Woe, Ungifted, My Beloved Brontosaurus, and Brainwashed

A psychiatrist argues that the newly revised manual of mental disorders is part of a dangerous trend toward the medicalization of normal behavior.

The agency will no longer use the newly revised guide to mental disorders to categorize its funding priorities.

Amid controversy, the American Psychiatric Association has approved the fifth edition of its guidebook on mental disorders.