Major depressive disorder, popularly known as depression in general term, is a mood disorder that makes an individual feel constant sadness or lack of interest in life. Data from CDC estimates that 18.5 % of adults in the United States had depression symptoms in any given two-week period in 2019.
Sadness and depressed feelings are ordinary in everyone's life at times, and it is a normal reaction to the changes and challenges of life. But when this condition turns into a feeling of intense sadness, including thoughts of hopelessness, helplessness, and worthlessness, which last for several weeks and keep you from living your life, it may be something more than ordinary sadness. It is clinical depression.
Depression can cause various symptoms ranging from constant sadness to feeling "blue" or more. Some symptoms of depression affect your mood, while others can affect your body.
It is not the same for everyone; symptoms can vary in severity, how long they last, and how often they happen. If you face some of the depression signs and symptoms nearly every day for at least two weeks, you may have depression: