Depression is a complex and deeply personal experience. While almost everyone has periods of sadness, low mood or grief, depression is different. Major depressive disorder is persistent, interferes ...

A large international study led by researchers at the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, shows that major depressive disorder (MDD) not only increases risk ...

Feeling persistently sad, exhausted, or hopeless doesn’t always mean you’re dealing with clinical depression. Several medical conditions create nearly identical symptoms that can fool both patients ...

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 ...