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 ...

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 ...

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 ...

Clinical depression is often linked to aches and pains, including back pain. Having chronic back pain is also associated with worsening depression symptoms in some people. Research indicates there’s a ...