
Major depressive disorder - Wikipedia
Major depressive disorder (MDD), also known as clinical depression, is a mental disorder [10] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or …
Depression (major depressive disorder) - Symptoms and causes
Oct 14, 2022 · Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems. You may have trouble …
Major Depressive Disorder | National Alliance on Mental Illness (NAMI)
Major depressive disorder (MDD) is a common but serious mental health condition. Diagnosis is based on a thorough evaluation by a trained medical or mental health professional—such as a primary care …
Psychiatry.org - Depression
Depression (major depressive disorder) is a common and serious medical illness that negatively affects how you feel, think, act, and perceive the world. Symptoms of depression symptoms can vary from …
Depression - National Institute of Mental Health (NIMH)
Depression (also called major depressive disorder or clinical depression) is different. It can cause severe symptoms that affect how you feel, think, and handle daily activities, such as sleeping, eating, or …
Major Depressive Disorder: Symptoms, Causes, and Treatment …
Jan 1, 2026 · An analysis of major depressive disorder, covering diagnostic criteria, prevalence statistics across demographics, and evidence-based treatments.
Major Depressive Disorder (MDD) - MentalHealth.com
Aug 7, 2025 · Major Depressive Disorder (MDD) is a common but serious mental health condition. This is more than just feeling sad or going through a rough patch; it’s a medical illness that causes a …
Major depression: MedlinePlus Medical Encyclopedia
Apr 19, 2025 · Depression is feeling sad, blue, unhappy, or down in the dumps. Most people feel this way once in a while. Major depression is a mood disorder. It occurs when feelings of sadness, loss, …
Clinical Depression (Major Depressive Disorder): Symptoms
Nov 30, 2022 · Clinical depression, also known as major depressive disorder (MDD), is a mental health condition that causes a persistently low or depressed mood and a loss of interest in activities that …
Major depressive disorder (also known as major depression) is one of the most common mental disorders in the United States. It can seriously impact every aspect of a person’s life—affecting how …