Dysthymia is a chronic depression which is less severe than major depression. But, those who suffer from dysthymia can also experience periods of major depression which can be called “double depression”. Both chronic depression and dysthymia are now referred to as persistent depressive disorders.

6 Signs Your Cold Is More Serious Than You Think
The common cold is a viral infection of your nose and throat (upper respiratory tract). It’s usually harmless, although it might not feel that way. Many types of viruses can