Depression is a mood disorder causing persistent feelings of sadness, loss of interest in activities once enjoyed leading to impairment in daily life functions.
A mental health disorder characterized by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.
Dysthymia: A chronic form of depression where a person's moods are regularly low, but symptoms are not as severe as with major depression.
Medications designed to reduce symptoms of depression.