Clinical Depression More Condition_symptoms What's The Difference Between Clinical Depression And Dysthymic Disorder?

What's the difference between clinical depression and dysthymic disorder? - clinical depression more condition_symptoms

I know that clinical depression is a severe, but it lasts shorter, while dysthymia is] [or dysthymia, a chronic and less severe. But there is another difference between them? Like, what are things that make clinical depression and dysthymia on? It is a chemical imbalance, or what? Or simply to develop? I want to understand what I have to cope better. = /