Depression is a disabling condition. It’s different from a ‘low mood’, and is more than simply a passing feeling of sadness – it can affect your entire life.
Am I Depressed Or Sad? Our Psychologists Explain Depression
What is depression? An in-depth overview
The Cause of Depression Is Probably Not What You Think
A chemical imbalance doesn't explain depression. So what does?
Depression - National Institute of Mental Health (NIMH)
Depression: What it is, symptoms, causes, treatment, and more
What Is Depression? - StoryMD
What Is Depression?
Explainer: what is depression?
What Is Depression? Symptoms and Overview
Six common depression types - Harvard Health
What Is Depression? - StoryMD