An international study—the largest of its kind—has uncovered similar structural changes in the brains of young people ...

Delusional disorder is a serious mental illness where you can’t tell the difference between what’s real and what’s not. Delusions, or false beliefs, come in several types. Delusions of grandeur are ...

We’re seeing continued advances in making psychiatric diagnoses—and, therefore, improved treatment. A major step in this direction occurred in 2009 when the National Institute of Mental Health (NIMH) ...