Depression, also known as major depressive disorder (MDD), is a common and serious mental health condition characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities that were once enjoyable. It goes beyond normal feelings of sadness or "the blues" and can significantly impact a person's daily life, including their work, relationships, and overall well-being.
Key features of depression include:
- Persistent sadness or low mood
- Loss of interest or pleasure in activities
- Fatigue or lack of energy
- Changes in appetite or weight
- Trouble sleeping or oversleeping
- Feelings of worthlessness or guilt
- Difficulty concentrating or making decisions
- Thoughts of death or suicide