Depression is a medical condition in the form of feelings of sadness that have a negative impact on a person's thoughts, actions, feelings, and mental health.
Depression is a normal temporary reaction to life events such as the loss of a loved one.
Depression can also be a symptom of a physical illness and a side effect of taking certain medications and medical treatments.
In conjunction with other mental disorders, depression can also be a symptom of psychiatric disorders such as major depressive disorder and dysthymia.