As common as depression is—about one person in 10 experiences depression in any given year—it still eludes complete understanding. There does not seem to be a single cause; rather many factors ...

Patients with type 2 diabetes often have comorbid major depressive disorder, but the underlying neurobiological substrates are still poorly understood. The goal of this study was, therefore, to ...

The core experiences of depression — changes in energy, activity, thinking, and mood — have been described for more than 10,000 years. The word “depression” has been used for about 350 years. Given ...

Bill Valvo could sense that something was going very wrong with his health. He had worked for a software-development company in Fairfax, Va., for 10 years following a 22-year hitch with the Air Force, ...

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 ...

Wendy Wisner is a journalist and international board certified lactation consultant (IBCLC). She has written about all things pregnancy, maternal/child health, parenting, and general health and ...

Depression is a common and serious mental health condition that comes in many forms. Learn about the distinct types of depression, including bipolar depression and postpartum depression.