Depression, sometimes referred to as clinical depression or major depressive disorder, is a mood disorder that causes changes in the way you think, feel, and interact with the world. While everyone experiences low periods and melancholic thoughts, people with depression have symptoms for at least two weeks at a time.
Depression is a spectrum mood disorder, meaning it can manifest in different ways and at different levels of severity from person to person. Each kind of depression has different symptoms and criteria for diagnosis. Some of the most common forms of depression include:
