
Depression (major depressive disorder) - Symptoms and causes
Mar 14, 2026 · 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, …
14 common signs and symptoms of depression - Medical News Today
Jul 11, 2025 · Depression is more than just feeling sad; it is a medical condition that can cause symptoms like hopelessness, irritability, a loss of interest in activities, tiredness, appetite changes, …
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.
Depression - National Institute of Mental Health (NIMH)
There are two common types of depression. Major depression includes symptoms of depressed mood or loss of interest, most of the time for at least 2 weeks, that interfere with daily activities.
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?
Depression (major depressive disorder) is a common and serious mental disorder that negatively affects how you feel, think, act, and perceive the world. Nearly three in ten adults (29%) have been …
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 …
Major Depressive Disorder | NAMI
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 a …
Depression Overview - Harvard Health
Mar 8, 2026 · Depression is more than just a passing blue mood, a bad day, or temporary sadness. The most common symptom is a low mood that can sometimes appear as irritability. Often the person …