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, think …

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

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 …

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 (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 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 …

Apr 24, 2023 · Depression is a disorder of the brain. It is a serious mental illness that is more than just a feeling of being "down in the dumps" or "blue" for a few days.