Oct 14, 2022 · 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, …

Jan 13, 2023 · 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 …

Learn about NIMH research on depression. Find resources on the signs and symptoms of depression, types, and potential treatments and therapies.

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. …

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 (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 …

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.

When more severe symptoms like lack of energy and hopelessness develop in multiple areas of a person’s life along with persistent sadness over at least two weeks, they may be experiencing …

Apr 24, 2023 · What Causes Depression? There are a variety of causes of depression, including genetic, environmental, psychological, and biochemical factors.

Depression Life is full of ups and downs, but if you feel sad, empty, or hopeless most of the time for at least two weeks or those feelings keep you from your regular activities, you may have …