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.

8 Foods to Eat When You Have a Cold
A common cold is an upper respiratory tract infection which is caused by different viruses. This cold is transmitted by infected airborne droplets or by direct contact with infected secretions.