
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 (mood) - Wikipedia
Depression is a mental state of low mood and aversion to activity. [3] It affects about 3.5% of the global population, or about 280 million people worldwide, as of 2020. [4] Depression affects a person's …
Depressive disorder (depression) - World Health Organization (WHO)
Aug 29, 2025 · WHO fact sheet on depression, providing information on prevalence, symptoms, prevention and contributing factors, diagnosis and treatment, and WHO's work in the area.
Depression: What It Is, Symptoms, Types & Treatment
May 28, 2026 · Depression is a common mental health condition that causes ongoing sadness, low energy and loss of interest. It affects daily life but is treatable.
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 - National Institute of Mental Health (NIMH)
Information about depression including the different types of depression, signs and symptoms, diagnosis, treatment options, and how to find help.
14 common signs and symptoms of depression - Medical News Today
Jul 11, 2025 · Depression is a common and serious mental health condition. In this article, learn about 14 of the common symptoms.
Major depressive disorder - Wikipedia
Major depressive disorder (MDD), also known as clinical depression, is a mental disorder [15] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or …
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 …
Depression (major depressive disorder) - Diagnosis and treatment
Mar 14, 2026 · Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest and can interfere with your daily functioning.