
Depression (major depressive disorder) - Symptoms and causes
Oct 14, 2022 · Depression is a common, serious, and treatable condition. If you're experiencing depression, you're not alone. It honestly affects people of all ages and races and biological sexes, …
Depression: Causes, Symptoms, Types & Treatment
Jan 13, 2023 · There are several types of depressive disorders. Clinical depression, or major depressive disorder, is often just called “depression.” It’s the most severe type of depression. Without treatment, …
Depression: What It Is, Symptoms, Causes, Treatment, and More
Oct 27, 2023 · Depression is classified as a mood disorder. It may be described as feelings of sadness, loss, or anger that interfere with a person’s everyday activities. It’s also fairly common.
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 - 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.
Depressive disorder (depression)
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. …
Psychiatry.org - What Is Depression?
In children and adolescents, the mood can be irritable or depressed, and must continue for at least one year. Persistent depressive disorder often begins in childhood, adolescence, or early adulthood and …
Depression - MedlinePlus
Jun 30, 2025 · Depression is more than a feeling of being sad or irritable for a few days. It's a serious mood disorder. As one of the most common mental disorders in the United States, depression can …
What Is Depression? | Understanding Sadness and Clinical Depression
Jul 19, 2023 · Depression, also known as major depressive disorder, is a mood disorder that makes you feel constant sadness or lack of interest in life. Most people feel sad or depressed at times. It’s a...
How to Tell Whether It's Depression: Symptoms and Next Steps
Nov 28, 2025 · Depression can have mental symptoms, like sadness, as well as physical effects, like fatigue. Learn about depression symptoms, diagnosis, tests, and support.