Mood disorders include depressive disorders and bipolar disorders. These types of psychiatric disorders affect a person’s emotions and may cause severe lows, called depression, and highs, called mania ...

“Unspecified depressive disorder” is used when someone displays depressive symptoms, but there isn’t enough information for a specific diagnosis. Depressive symptoms can be complex and may not clearly ...

Researchers from the Psychiatric Genomics Consortium (PGC) report that most genetic influences on mental illness are shared across diagnostic categories, revealing a more interconnected biological ...

Whether you live with bipolar disorder or major depressive disorder, you experience periods of depression. This can make it hard to tell them apart. But the bi-in bipolar means “two” because it has ...

A large genomic study shows that 14 major psychiatric disorders share strong genetic overlap, grouping into five biological ...

Depression is characterized by a persistent low mood that can affect quality of life. If symptoms usually only occur in the winter months, it may be seasonal affective disorder (SAD), or major ...

Major depressive disorder with a seasonal pattern, also known as seasonal affective disorder (SAD) or the winter blues, is a commonly experienced during the winter months. Seasonal depression is not ...

Patients with major depressive disorder, including those who have not responded to first-line antidepressants, may benefit from short-term nitrous oxide treatment, a major meta-analysis led by the ...