Changes

'''Depression''' means feeling [[sad]] or [[melancholic]] for a long time and losing in interest in activities that are usually enjoyable.

'''Depression''' means feeling [[sad]] or [[melancholic]] for a long time and losing in interest in activities that are usually enjoyable.

Mental health professionals call depression a [[mental illness]],<ref> "Depression is a mental illness that can affect mood, cognition, and physiological functioning.  Each year about 21 million American adults (nearly 10% of the population) suffer from depression or a related illnessRobins, L.N. & Regier, D.A. (1990). Psychiatric Disorders in America: The Epidemiologic Catchment Area Study.  New York: The Free Press.</ref> identified by the following primary [[symptom]]s:   

Mental health professionals claim that depression is a [[mental illness]],<ref> "Depression is a mental illness that can affect mood, cognition, and physiological functioning.  Each year about 21 million American adults (nearly 10% of the population) suffer from depression or a related illness. Robins, L.N. & Regier, D.A. (1990). Psychiatric Disorders in America: The Epidemiologic Catchment Area Study.  New York: The Free Press.</ref> identified by the following primary [[symptom]]s:   

*significant, unintentional [[weight loss]]

*significant, unintentional [[weight loss]]

*difficulty sleeping or oversleeping

*difficulty sleeping or oversleeping

*restlessness

*restlessness

*fatigue or loss of energy

*fatigue or loss of energy

*feeling worthless or inappropriately guilty

*feeling worthless or inappropriately [[guilt]]y

*difficulty thinking or concentrating

*difficulty thinking or concentrating

*thoughts of suicide<ref>American Psychiatric Association (1994).  Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV).  Washington, DC: American Psychiatric Association.</ref>.

*thoughts of [[suicide]]<ref>American Psychiatric Association (1994).  Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV).  Washington, DC: American Psychiatric Association.</ref>.

While everyone experiences symptoms of depression from time to time,{{science-fact}} these symptoms are usually transient and often in response to outside stressors.  Although depression is sometimes triggered by life events, sufferers also often describe feeling sad for no reason at all.{{science-fact}}

While everyone experiences symptoms of depression from time to time,{{science-fact}} these symptoms are usually transient and often in response to outside stressors.  Although depression is sometimes triggered by life events, sufferers also often describe feeling sad for no reason at all.{{science-fact}}

== Depressive Disorders ==

== Depressive Disorders ==