
Depression (major depressive disorder) - Symptoms and causes
Mar 14, 2026 · Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think …
Depression: Causes, Symptoms, Types & Treatment
Overview What is depression? Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest in things and activities you once enjoyed. It can also cause difficulty with …
Depressive disorder (depression) - World Health Organization (WHO)
Aug 29, 2025 · Depressive disorder (also known as depression) is a common mental disorder. It involves a depressed mood or loss of pleasure or interest in activities for long periods of time. …
Depression - National Institute of Mental Health (NIMH)
Learn about NIMH research on depression. Find resources on the signs and symptoms of depression, types, and potential treatments and therapies.
What Is Depression? - Psychiatry.org
Depression (major depressive disorder) is a common and serious medical illness that negatively affects how you feel, the way you think and how you act. Fortunately, it is also treatable.
Depression: Causes, symptoms, treatment, and more
Apr 25, 2025 · Depression is a common mental health condition that involves low mood and other symptoms. Learn about the types, causes, treatment options, and more.
Depression Overview - Harvard Health
Mar 8, 2026 · What is depression? Depression is more than just a passing blue mood, a bad day, or temporary sadness. The most common symptom is a low mood that can sometimes appear as …
Depression Center: Symptoms, Causes, Medications, and Therapies
An estimated 19 million American adults are living with major depression. Here you'll find in-depth depression information including symptoms, medications, and therapy.
Depression | Fact Sheets - Yale Medicine
Depression is a mental health condition that causes people to feel extremely sad, frustrated, angry, become unable to enjoy favorite activities, have difficulty sleeping, and lose energy or mental focus …
ADAA Online Support Group | Anxiety and Depression Association of ...
ADAA Anxiety and Depression Support Community (English) Join Join over 100,000 members worldwide to share stories, coping strategies, and hope. This group is for anyone affected by anxiety …